Here, are the list of best shounen shows as below: あやかしトライアングル, ノケモノたちの夜, チェンソーマン, 不徳のギルド, 齢5000年の草食ドラゴン、いわれなき邪竜認定, 最近雇ったメイドが怪しい, よふかしのうた, 異世界迷宮でハーレムを, 転生賢者の異世界ライフ ～第二の職業を得て、世界最強になりました～, シュート！Goal to the Future, くノ一ツバキの胸の内, 恋は世界征服のあとで, 錆喰いビスコ, 佐々木と宮野, 失格紋の最強賢者, 大正オトメ御伽話, 終末のハーレム, 進化の実～知らないうちに勝ち組人生～, 見える子ちゃん, 魔法使いの嫁 西の少年と青嵐の騎士, 出会って5秒でバトル, ゲッターロボ アーク, カノジョも彼女, 不滅のあなたへ, EDENS ZERO, 東京リベンジャーズ, すばらしきこのせかい The Animation, MARS RED, ドラゴン、家を買う。, カードファイト!! ヴァンガード, .
Japan may be brimming with mysterious monsters called ayakashi, but they have a special exorcist ninja force to counter the threat! Young exorcist ninja Matsuri spends his days fighting ayakashi to protect his childhood friend Suzu. But when an ayakashi cat named Shirogane shows up, things get turned upside down!
OTT Platforms for あやかしトライアングル are Hulu, U-NEXT, and Amazon Prime Video
Wisteria is an orphan girl living in a corner of the British Empire at the end of the 19th century. Her life is desolate and bleak–until she encounters Malbus, a powerful but equally lonely immortal being with a furry appearance, hounded by hunters. Together, Wisteria and Malbus roam the Empire–populated by humans and human-like beasts–in search of a place where they can live together in peace.
OTT Platforms for ノケモノたちの夜 are Hulu, U-NEXT, and Amazon Prime Video
Denji has a simple dream—to live a happy and peaceful life, spending time with a girl he likes. This is a far cry from reality, however, as Denji is forced by the yakuza into killing devils in order to pay off his crushing debts. Using his pet devil Pochita as a weapon, he is ready to do anything for a bit of cash.
OTT Platforms for チェンソーマン are Netflix, Hulu, U-NEXT, Disney Plus, Amazon Prime Video, and Netflix basic with Ads
The skilled hunter Kikuru Madan has decided to retire out of fear of wasting his youth. One day, a guild staff member suggests that he go on a quest with a new female martial artist named Hitamu Kyan. However, she keeps getting hit by monsters one after another.
A 5000-year-old vegan dragon was living peacefully when one day a young girl showed up in his cave. She offered herself as a sacrifice in order to gain favor for her village. He played along as the great "Evil Dragon, the Demon Lord's Army Leader" in order to get rid of her. However, his little white lie awoke her hidden powers and his peaceful life suddenly ended.
There’s something really strange about the maid I just hired! No normal person could be so beautiful, or cook such amazingly delicious food, or know exactly what I want before I even ask. She must be using magic—right, a spell is the only thing that can explain why my chest feels so tight whenever I look at her. I swear, I’m going to get to the bottom of what makes this maid so...mysterious!
OTT Platforms for 最近雇ったメイドが怪しい are Hulu, U-NEXT, and Amazon Prime Video
Nanakusa is a vampire. That's okay with human Ko. He wants to be one too. But transformation doesn't come that easily... When Nazuna invites Ko to spend the night at her place in an abandoned building, he's stoked! But then he awakens to kisses on his neck with a little too much bite to them... Is it just the delicious taste of his blood that makes her meet him night after night for late-night adventures, conversation and...naps? Or something else? Then, when a cute girl from Yamori's past shows up and competes for his attention, his budding relationship with the undead is put to the test!
OTT Platforms for よふかしのうた are Netflix, Disney Plus, U-NEXT, and Amazon Prime Video
High school student Michio Kaga was wandering aimlessly through life and the Internet, when he finds himself transported from a shady website to a fantasy world — reborn as a strong man who can use "cheat" powers. He uses his powers to become an adventurer, earn money, and get the right to claim girls that have idol-level beauty to form his very own harem.
OTT Platforms for 異世界迷宮でハーレムを are U-NEXT, Amazon Prime Video
Whether at the office or at home, corporate drone Yuji Sano works all the time. So when his home PC flashes a message about him being summoned to another world, Yuji restarts his machine…only to find that he’s inadvertently accepted the summons! Now in a fantasy world far removed from paperwork and computers, Yuji has just one thing on his mind: waking up from what he thinks is a dream and getting back to the mountain of work he left behind! But this other world has other plans for Yuji, who quickly discovers his Monster Tamer character class allows him to befriend slimes! And thanks to their number, those slimes help him absorb so much magical knowledge that he gains a second character class in the blink of an eye! How will Yuji wield his power now that he’s the greatest sage the realm has ever known?! And what about all that paperwork?!
OTT Platforms for 転生賢者の異世界ライフ ～第二の職業を得て、世界最強になりました～ are Netflix, Disney Plus, U-NEXT, and Amazon Prime Video
Atsushi Kamiya is a former captain at Kakegawa High School and the world-renowned "courageous captain" for a famous Italian soccer team. Hideto Tsuji, a student at Kakegawa High School seems uninterested in the now-weakened soccer team. Their meeting is the start of a new legend.
OTT Platforms for シュート！Goal to the Future are U-NEXT, Amazon Prime Video
The isolationist Akane Clan, composed of an all-girls body mainly consisting of young kunoichi in training, has a code to which they all must adhere: "As men are dangerous beings, interacting with them is forbidden." Kunoichi Tsubaki, the leader of the Dog Squad, is an excellent trainee with a promising future, but she has started to experience a strange feeling in her heart... whenever the subject of boys is brought up.
OTT Platforms for くノ一ツバキの胸の内 are Netflix, U-NEXT, and Amazon Prime Video
It’s love at first sight for Fudo and Desumi, except it was during a battle of life and death. Fudo, leader of the hero squad Gelato 5, and Desumi, the Death Queen of the evil society Gekko, have found themselves caught in a forbidden love—and it’s their first relationship! Moving in secrecy, they live holding hands with one weapon in the other, finding out what’s truly fair in love and war.
One rogue explores and tries to survive in the barren wasteland of a far-future Japan!
OTT Platforms for 錆喰いビスコ are Amazon Prime Video, Disney Plus, and U-NEXT
It all started like a typical old-school boys' love plotline—bad-boy senior meets adorably awkward underclassman, one of them falls in love, and so on and so forth. But although Miyano is a self-proclaimed boys' love expert, he hasn't quite realized…he's in one himself. Which means it's up to Sasaki to make sure their story has a happily ever after…!
OTT Platforms for 佐々木と宮野 are U-NEXT, Amazon Prime Video
His strength limited by the magical crest with which he was born, Mathias, the world's most powerful sage, decides reincarnation is necessary to become the strongest of all. Upon his rebirth as a young boy, Mathias is thrilled to discover he's been born with the optimal crest for magical combat on his first try! Unfortunately, the world he's been born into has abysmally poor standards when it comes to magic, and everyone thinks he's still marked for failure! Now it's up to Mathias to prove everyone wrong…world's strongest sage-style!
OTT Platforms for 失格紋の最強賢者 are Netflix, Disney Plus, Amazon Prime Video, and U-NEXT
Tamahiko Shima has been exiled to the country because of his disability, but the sudden arrival of an arranged bride upends his lonely life.
OTT Platforms for 大正オトメ御伽話 are Amazon Prime Video, U-NEXT
The Man-Killer Virus: a lethal disease that has eradicated 99.9% of the world's male population. Mizuhara Reito has been in cryogenic sleep for the past five years, leaving behind Tachibana Erisa, the girl of his dreams. When Reito awakens from the deep freeze, he emerges into a sex-crazed new world where he himself is the planet's most precious resource. Reito and four other male studs are given lives of luxury and one simple mission: repopulate the world by impregnating as many women as possible! All Reito wants, however, is to find his beloved Erisa who went missing three years ago. Can Reito resist temptation and find his one true love?
OTT Platforms for 終末のハーレム are Amazon Prime Video, U-NEXT
High school student Hiiragi Seiichi is bullied by his classmates for being a "loser." One day, his entire school is suddenly transported to a video game-like world of swords and sorcery. When he accidentally eats "the Fruit of Evolution," his life as a successful "winner" begins.
She can see dead people…she just chooses to ignore them. That’s Miko’s plan, anyway, with horrifying (and sometimes hilarious) results.
OTT Platforms for 見える子ちゃん are Netflix, Amazon Prime Video, and U-NEXT
Gabriel, an ordinary boy who just moved from London, was bored with his surrounding, until one day he saw a wisp of purple smoke from the window of his house. At that time, he hurriedly chased the smoke, looking for any kind of freedom and fun. Though they should not, the world of boys and wizards soon intersect...
OTT Platforms for 魔法使いの嫁 西の少年と青嵐の騎士 are U-NEXT
It was just a usual morning. Akira Shiroyanagi, a high schooler who loves games and Konpeito (Japanese sweets), has suddenly been dragged into a battlefield by a mysterious girl who calls herself Mion. The participants are told that they are "erased from the family register, involved in an experiment, and gained certain powers." Akira is determined to win the game with his newfound powers and destroy the organization. Armed with a power no one expects and his "brain" skills, the new period of intelligence battle begins!
OTT Platforms for 出会って5秒でバトル are Netflix, Amazon Prime Video, and U-NEXT
Taking place several years after Getter Robo Go, Earth is now a post-apocalyptic world. Hayato, now an aging scientist, has completed Professor Saotome's masterpiece, Getter Robo Arc. Piloting it are Ryoma's son Takuma, the human-dinosaur Kamui, and the younger brother of Tayel, Baku. Alongside the reformed Dinosaur Empire, they fight the insectoid Andromeda Flow Country attacking from across time and space.
OTT Platforms for ゲッターロボ アーク are Netflix, Amazon Prime Video
Mukai Naoya has loved Saki Saki since grade school, and when she finally accepts his feelings, he's at his happiest. But one day, a cute girl named Minase Nagisa confesses to him! Not wishing to choose only one over another, Naoya chooses to go out with both of them!! What will be of this love triangle that challenges morality itself?
OTT Platforms for カノジョも彼女 are Netflix, Amazon Prime Video, and U-NEXT
In the beginning, an "orb" is cast unto Earth. "It" can do two things: change into the form of the thing that stimulates "it"; and come back to life after death. "It" morphs from orb to rock, then to wolf, and finally to boy, but roams about like a newborn who knows nothing. As a boy, "it" becomes Fushi. Through encounters with human kindness, Fushi not only gains survival skills, but grows as a "person". But his journey is darkened by the inexplicable and destructive enemy Nokker, as well as cruel partings with the people he loves.
OTT Platforms for 不滅のあなたへ are Netflix, Hulu, U-NEXT, Disney Plus, Amazon Prime Video, and Netflix basic with Ads
Aboard the Edens Zero, a lonely boy with the ability to control gravity embarks on an adventure to meet the fabled space goddess known as Mother.
OTT Platforms for EDENS ZERO are Netflix, Hulu, U-NEXT, and Netflix basic with Ads
Takemichi Hanagaki is a freelancer that’s reached the absolute pits of despair in his life. He finds out that the only girlfriend he ever had, in middle school, Hinata Tachibana, had been killed by the ruthless Tokyo Manji Gang. The day after hearing about her death, he’s standing on the station platform and ends up being pushed over onto the tracks by a herd of people. He closes his eyes thinking he’s about to die, but when he opens his eyes back up, he somehow had gone back in time 12 years. Now that he’s back living the best days of his life, Takemichi decides to get revenge on his life.
OTT Platforms for 東京リベンジャーズ are Netflix, Hulu, U-NEXT, Disney Plus, Amazon Prime Video, and Netflix basic with Ads
Neku awakens in the middle of Shibuya's bustling Scramble Crossing with no memory of how he got there. Little does he know, he's been transported to an alternate plane of existence known as the Underground. Now an unwilling participant in the mysterious "Reapers' Game," Neku must partner up with a girl named Shiki in order to survive...
OTT Platforms for すばらしきこのせかい The Animation are Netflix, Amazon Prime Video, and U-NEXT
It’s 1923, and the mysterious blood source Ascra has unleashed a horde of vampires across Japan. In response, the government spawns Code Zero. With S-rank vampire Defrott and the rookie Kurusu, this kill squad is made for one reason: to hunt the undead!
OTT Platforms for MARS RED are Amazon Prime Video, U-NEXT
When a dragon fails to live up to the fearsome standards set for him, his family kicks him out. He embarks on a quest to find a new home but soon finds that life on the road is no place for a cowardly beast of legend. In a fantasy world full of elves, dwarves, and other mythical creatures, the frustrations of house-hunting reach a whole new level.
OTT Platforms for ドラゴン、家を買う。 are Netflix, Amazon Prime Video, and U-NEXT
Third-year middle school student Yu-yu Kondo lives in Kanazawa city of the country of Kaga. Being unable to reject requests, Yu-yu often gets caught up in his sister's hobbies. When Yu-yu could no longer bear it and ran away from home, he was saved by Megumi Okura. Megumi invites Yu-yu to the Night Amusement Park "Wonder Hill" where her friends gather. The amusement park is where many youths of the Vanguard-centric group "Team Blackout" gather. And this is how Yu-yu encounters Vanguard and was drawn in by the appeal of Vanguard and the world and friends he had never seen before.
OTT Platforms for カードファイト!! ヴァンガード are U-NEXT, Amazon Prime Video