Seinen manga is in an entirely different hemisphere than either Shonen and Shojo. Not only regarding mature content but, most noteworthy, in the themes presented. Shonen manga focuses more on interpersonal development and personal growth has to do with characters becoming physically stronger. But Seinen manga tends to be more introspective. It deals with the main characters who face their inner demons. This list deals with the best seinen manga of all time.
Best Seinen Manga
Best Seinen Manga #20
Toua Tokuchi, a master of betting and mental games, holds an exceptional record of 499 wins and zero losses in “One Outs”. It is a simpler form of baseball that consists of only a batsman and a pitcher. Paying a visit to Okinawa, Tokuchi’s hometown, is Hiromichi Kojima, the hero batsman of the Saikyou Saitama Lycaons. But it is the feeble team in the Japanese baseball championship. Fantasizing of leading the Lycaons to win the league, and in terrible need of a substitution for their wounded pitcher during a training camp, Kojima includes himself in a game of One Outs, only to lose to a standard fastball from the apparently invincible Tokuchi.
Enthralled by his skill, Kojima hires Tokuchi to the team after barely avoiding defeat in a rematch, thinking he might just be their answer to victory. Nevertheless, the insatiable owner of the Lycaons declines to give him a decent salary, leading Tokuchi to suggest an unusual contract. Every out he pitches will get him fifty lakh yen, but every run he gives up will lose him fifty million yen. With his fate now tied to that of the team, Tokuchi’s fight to bring the Lycaons to victory becomes yet another gamble—the very thing that he does best.
19. Shimanami Tasogare
Best Seinen Manga #19
After recently moving to Onomichi, Hiroshima, high school student Tasuku Kaname is tossed into anguish at the chance that he may have been outed for being gay. Persuaded his life is over, his anguish turns into trauma when he spots a woman jump out of a window of a neighboring house.
Tasuku paces to the house in an alarm only to find out that it’s a public meeting sitting room owned by the woman he saw earlier. Tasuku comes face to face with the woman as she strolls past him safe, but not before she tells that she had been watching him from afar. Bewildered, Tasuku follows her up to the top of a slopy hill where she accepts to briefly listen to what is on his mind. Even though Tasuku doesn’t go into too much information, he later agrees with her invitation to come to the lounge to meet others with similar issues.
18. Yokohama Kaidashi Kikou
Best Seinen Manga #18
The story is placed in future Japan, in which the sea level has arisen and submerged many of the coastal areas. Also Mt. Fuji has belched lava within living memory. The populace has been greatly reduced and political and technological organizations have broken-down. Local groups have become nations and telephone and TV no longer exist. Although coffee vending machines and streetlights adamantly proceed to work. There are peculiar new animals and plants (like airborne fish and glowing streetlight trees).
The remaining people have embraced a slower-paced, straightforward way of life and depend more on each other. Along with mankind are some brilliant, humanlike robots. One of the robots, a female called Alpha, owns a café by the same name in the countryside of what remains of Yokohama. With her reliable motor scooter and her camera, she travels around the area befriending the humans and robots, gathering new experiences and noticing the passage of time.
Best Seinen Manga #17
Tomomi Nomiya, late captain of his high school’s basketball team turned lawless. He ends up dropping out of school after being squeezed by the culpability of destroying a young girl’s life in a traffic accident. As he devotes his free time to provide for her, he comes across Kiyoharu Togawa. Also, she is a former runner who has lost the use of his right leg and now enjoys wheelchair basketball as an alternate outlet.
After daring Kiyoharu to a one-on-one game, Tomomi is totally vanquished. Inspired by this meeting, he understands that he can’t let his love for basketball perish so easily. Also, he decides that he will do whatever he can to provide for others while trying to become a professional player. Meantime, Hisanobu Takahashi, Tomomi’s substitute as the high school’s team leader, gets into an accident. Sadly, he finds himself forever paralyzed below the waist. Real tells the touching story of these three young men as they fight to beat their disabilities and inner conflicts. They have to do this in order to attain their dreams while lighting a passion that will bring them together.
Best Seinen Manga #16
Our hero is Rei, a 17-year-old shogi player. He lives by himself. Also, he does not have a family and does not go to school. Also, he has very few friends. Among his contacts is a family, which comprises of a young lady, Akari, and two young girls, Momo and Hinata. Also, they keep a high number of cats.
Best Seinen Manga #15
1988: It is World War III. Tokyo is annihilated by a puzzling black explosion, unmatched in immensity.
2019: Moving on to 31 years. Neo-Tokyo, hurriedly built on the ruins of old Tokyo, is a stretching cityscape of neon spectacle. It is a combination of tall skyscrapers and cutting-edge technology. Also, it is pervaded through and through with a volatile, hyper-violent mixture of biker gangs, penury, and revolutionaries. In this perilous metropolis live Tetsuo Shima and Shoutarou Kaneda, two motorcyclists who are the best of friends and the strongest of rivals, despite being associated with the same gang. Hopeless to prove himself as Kaneda’s equal, Tetsuo accidentally pulls a stunt that climaxes in the rise of mysterious existence that threatens to change both the face of Neo-Tokyo and the lives of those who call the city their home—the rise of a government secret simply known as Akira.
14. Watashitachi no Shiawase na Jikan
Best Seinen Manga #14
They wanted to perish for their own reasons.
Juri Mutou is the daughter of an erstwhile-famous pianist whose career came to a conclusion after giving birth to her. After a shocking event she underwent as a teenager, Juri has attempted suicide thrice and has started to hate her mother. With her life darkened due to a dark past, her aunt Monica, a member of the clergy, summons her to visit a criminal sentenced to death.
Yuu is a death row inmate charged with killing three people, leading to many efforts at ending his own life within his jail cell. He repeatedly gets letters from Monica, who believes to help him, but he sees this as an act of pity. But when Yuu agrees to meet Monica to say that he wants her to stop sending letters, he meets Juri, an encounter that would change both of their lives.
13. Kozure Ookami
Best Seinen Manga #13
Ittou Ogami has very little left to exist for. Though once the Shogunate’s chief official killer, his name is left in ruination after being conceived for treachery. The traitorous Yagyuu Clan did this, seeking to take his position of power. His problems do not end here, however; they climax in the brutal killing of his entire family, including his spouse Azami, with only his child Daigorou still left alive.
With shame upon his head and his loveable wife in the grave, Ittou takes up a new role as an assassin for hire. Alongside his young son, Ittou roams the country in search of vengeance, He wanders with only the total annihilation of the Yagyuu Clan on his mind. As he wanders the land, the number of his victorious assassinations rapidly grows. And soon the nickname of “Lone Wolf and Cub” becomes famous across the land as the choice assassin to get the job done right.
12. Vinland Saga
Best Seinen Manga #12
Thorfinn, son of one of the Vikings’ exceptional warriors, is one of the best fighters in the merry band of hired soldiers. The scheming Askeladd, a magnificent task for a person his age, is the one who runs it. However, Thorfinn is not part of the group for the pillage it needs—instead, for having created a great tragedy for his family, the boy has promised to kill Askeladd in a fair duel. Not yet experienced enough to win him, but unable to let go of his revenge, Thorfinn spends his childhood with the mercenary team. He is sharpening his skills on the battleground with the war-loving Danes, where murdering is just another pleasure of life.
One day, when Askeladd gets a word that Danish prince Canute has been held hostage, he conjures an ambitious plot; A plot that will determine the next King of England and completely change the lives of Thorfinn, Canute, and himself. Set in 11th century Europe, Vinland Saga tells a brutal epic in a time where violence, insanity, and unfairness are unavoidable. It provides a paradise for the battle-crazed and utter hell for the rest who live in it.
11. Houseki no Kuni
Best Seinen Manga #11
In the distant future, new organisms called Gems come to life. The 28 gems must battle against the Moon People who want to fight them and turn them into decorations. Therefore, each gem is given a role such as a fighter or a medic. Though they hope to battle the moon people, Phosphophyllite is a gem who is assigned no assignment until the gems’ manager Kongou asks them to copy edit a natural history magazine.
Best Seinen Manga #10
“Mushi”: the most standard form of life in the world. They live without any ambition or purpose aside from simply “existing.” They are way past the handcuffs of the words “good” and “evil”. Mushi can live in many forms and are able to mimic things from the normal world such as plants, diseases, and even phenomena like rainbows.
This is, however, just an unclear definition of these beings that occupy the vibrant world of Mushishi, as to even call them a form of life would be an oversimplification. Detailed data on mushi is very less because most of the humans are unaware of their existence.
So what are mushi and why do they live? This is the question that a “Mushishi,” Ginko, wonders constantly. Mushishi are those who investigate mushi in hopes of understanding their place in the world’s ranking of life.
Ginko continuously chases rumors of happenings that could be tied to mushi, all for the sake of finding an answer.
09. Kaguya-sama wa Kokurasetai: Tensai-tachi no Renai Zunousen
Best Seinen Manga #9
Considered an intellectual due to having the sky-high grades in the country, Miyuki Shirogane leads the reputable Shuchiin Academy’s student council as its president. Also, He is working along with the beautiful and rich vice president Kaguya Shinomiya. The two are normally seen as the perfect couple by students in spite of them not being in any sort of romantic relationship.
However, the fact is that after expending so much time together, the two have begun to have feelings for one another. Sadly, neither are willing to tell it, as doing so would show a sign of fragility. With their dignity as best students on the line, Miyuki and Kaguya start on a quest to do whatever is needed to get a confession out of the other. Through their daily behavior, the fight of love begins!
08. Uchuu Kyoudai
Best Seinen Manga #8
“An elder brother must always stay ahead of his small brother. That is my job as the elder sibling”—these are the words that have always driven Mutta Nanba to give his best when it came to his younger sibling Hibito. So normally, in the summer of 2006 when the Nanba brothers see something peculiar in the night sky, Hibito decided that he would become an astronaut and go to the Moon, while Mutta countered with the declaration that he would go to Mars. Both of them took this oath.
Now in 2025, Hibito is working with NASA and getting ready to become the first Japanese to set foot on the moon. Also, an automotive development company has fired Mutta from his job.
Having a problem finding another job, Mutta is given a life chance once he receives a letter from JAXA—the Japan region Exploration Agency—telling him that he is been accepted to participate in the next astronaut selection. As if fate has given him a chance to fulfill the promise he made all those years ago, Mutta undertakes the difficult challenge of going to space.
07. 20th Century Boys
Best Seinen Manga #7
As the 20th century approaches its end, people all over the world are anxious that the world is changing. And probably not for the better.
Kenji Endo may be a traditional shop manager who’s simply making an attempt to urge by.
But he learns that one of his old friends going by the name “Donkey” has suddenly committed suicide. Also, a new cult led by a figure known as “Friend” is becoming more notorious. So Kenji starts to feel that something isn’t right.
With a number of key clues left behind by his deceased friend, Kenji realizes that this cult is much more than he ever thought it would be.
This is because this mysterious organization is directly targeting him and his childhood friends. Also, the whole world also faces a grave danger that only his friends have the key to stop.
Kenji’s easy lifetime of barely creating ends meet is flipped the other way up once he reunites along with his childhood friends. And along they have to discover the reality of however their past is connected to the cult.
This because as the turn of the century could mean the possible end of the world.
Best Seinen Manga #6
In the 16th century Japan, Shinmen Takezou is a wild, rough young man, in both his appearance and his actions. His hostile nature has won him the rebuke reproach and fear of his village. This makes him and his best friend, Matahachi Honiden, to run away in search of something grander than a provincial life. The pair enlist in the Toyotomi army, yearning for glory. But when the Toyotomi suffers a crushing defeat at the hands of the Tokugawa Clan at the Battle of Sekigahara, the friends barely make it out alive.
Shinmen returns home on a self-appointed mission to notify the Hon’iden family of Matahachi’s survival after they are separated. But he finds himself a wanted criminal. He is framed for his friend’s supposed murder based on his history of violence. Upon being caught, he is tied up on a tree and left to die. A nomadic monk, the eminent Takuan Soho, takes pity on the “devil child”. He secretly frees Shinmen and christens him with a new name to avoid pursuit by the authorities: Musashi Miyamoto.
Vagabond is the fictional retelling of the life of one of Japan’s most celebrated swordsmen, the “Sword Saint” Musashi Miyamoto. This story is about his rise from a swordsman with no desire other than to become “Invincible Under the Heavens” to an enlightened warrior who slowly learns of the importance of close friends, self-reflection, and life itself.
Best Seinen Manga #5
During the Warring States period in China, Xin Li and Piao are two brother-like youngsters who dream of becoming Great Generals, despite their low status as orphaned slaves. One day, they encounter a man of nobility, who gives Piao an opportunity to undertake an important duty within the state of Qin’s royal palace. Parting ways, Xin and Piao promise each other to one day become the greatest generals in the world. However, after a vicious coup d’état occurs in the palace, Xin meets with a perishing Piao, whose final words spur him into action. Also, it leads him to encounter the young and soon-to-be king of Qin, Zheng Ying.
Although originally on bad terms, Xin and Zheng become friends and start on a path filled with trials and slaughter. Zheng’s aim is to bring all the warring states under Qin, and Xin wants to reach to the very top of the army ranks. This is set against a backdrop of the persistent calculated battle between states and great political disruption. The two friends endeavor towards their monumental ambitions that will change history forever.
04. Grand Blue
Best Seinen Manga #4
Among the seaside town of Izu’s ocean waves and rays of shining sun, Iori Kitahara is just beginning his freshman year at Izu University. As he moves into his uncle’s scuba diving shop, Grand Blue, he eagerly expects his dream college life, filled with attractive girls and good friends.
But things don’t exactly go according to plan. Upon going to the shop, he meets a group of unruly, naked upperclassmen. Also, they instantly pressure him into taking part in their alcoholic activities. Though reluctant at first, Iori soon gives in and becomes the heart and soul of the party. Sadly, this earns him the contempt of his cousin, Chisa Kotegawa, who walks in at correctly the wrong time. Steadfast, Iori still pledges to realize his perfect college life, but will things go according to plan this time? Or will his situation take yet another dive?
03. Oyasumi Punpun
Best Seinen Manga #3
Punpun Onodera may be a traditional 11-year-old boy living in Japan. Hopelessly idealistic and romantic, Punpun begins to ascertain his life take a subtle—though still startling—turn to the adult once he meets the new lady in his class, Aiko Tanaka. It is then that the quiet boy learns simply however fickle maintaining a relationship will be. Therefore, he also learns the surmounting difficulties of transitioning from a naïve childhood to convoluted adulthood. When his father assaults his mother one night, Punpun understands another thing. He learns that those whom he explored to weren’t as spectacular as he once thought.
As his issues increase, Punpun’s once back trait turns into voluntary isolation. Rather than healing him of his issues and conflicting emotions, this just intensifies them. This takes him down the dark path of maturity in this grim coming-of-age adventure story.
Best Seinen Manga #2
Dr. Kenzou Tenma is a celebrated brain surgeon of Japanese ancestry working in Europe. He is highly lauded by his peers as one of the great young minds that will revolutionize the field. Also, he is blessed with a beautiful fiancée. He is also on the cusp of a big promotion in the hospital he works at.
But all of that is about to change with a grave dilemma that Kenzou faces one night—whether to save the life of a small boy or that of the town’s mayor. In spite of being coerced by his superiors to perform surgery on the mayor, his morals force him to perform the surgery on the other critical patient. He ends up saving his life and forfeiting the mayor’s.
A doctor is educated to believe that all life is the same; however, when a sequence of killings occurs in the surgeon’s vicinity, all of the evidence points to the boy he saved. Kenzou’s beliefs are shaken after these incidents. During his expedition to resolve the true identity of his patient, Kenzou finds that the destiny of the world may be interlaced with the enigmatic child.
Best Seinen Manga #1
Guts used to be a hired soldier. In fact, now he is famously known as the “Black Swordsman” and he is out for revenge. After a tempestuous childhood, he finally meets a person he holds high in esteem and believes he can have faith in him. But everything takes a wrong turn when this person snatches everything significant to Guts to attain what he desires. Therefore, Guts is sentenced to a destiny in which he is constantly chased by demonic beings after being marked for death.
Guts, who is equipped with a huge sword and has terrifying strength, decides to go on a frightful journey riddled with difficulties. Also, Nothing can put a halt to his quest as he won’t stop his massacre until he slices off the head of the person who ripped the humanity from him and his loved one.
With this, we have reached the end of the Best Seinen Manga list. Check out our Best Vampire Movies and Horror Manga lists to find more anime and movies that you can enjoy now and in the coming future. Sayonara!
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