1. Attack on Titan (進撃の巨人)
Many years ago, the last remnants of humanity were forced to retreat behind the towering walls of a fortified city to escape the massive, man-eating Titans that roamed the land outside their fortress. Only the heroic members of the Scouting Legion dared to stray beyond the safety of the walls – but even those brave warriors seldom returned alive. Those within the city clung to the illusion of a peaceful existence until the day that dream was shattered, and their slim chance at survival was reduced to one horrifying choice: kill – or be devoured!
It has an average vote of 8.658 on TMDB.
2. Black Lagoon (BLACK LAGOON)
The story follows a team of pirate mercenaries known as the Lagoon Company, that smuggles goods in and around the seas of Southeast Asia in the early to mid 1990s. Their base of operations is located in the fictional harbor city of Roanapur in southeast Thailand near the border of Cambodia.
It has an average vote of 8.027 on TMDB.
3. Death Note (DEATH NOTE)
Light Yagami is an ace student with great prospects—and he’s bored out of his mind. But all that changes when he finds the Death Note, a notebook dropped by a rogue Shinigami death god. Any human whose name is written in the notebook dies, and Light has vowed to use the power of the Death Note to rid the world of evil. But will Light succeed in his noble goal, or will the Death Note turn him into the very thing he fights against?
It has an average vote of 8.633 on TMDB.
4. Gurren Lagann (天元突破グレンラガン)
In the distant future, mankind has lived quietly and restlessly underground for hundreds of years, subject to earthquakes and cave-ins. Living in one such village are 2 young men: one named Simon who is shy and naïve, and the other named Kamina who believes in the existence of a “surface” world above their heads.
It has an average vote of 8.182 on TMDB.
5. Sleepy Princess in the Demon Castle (魔王城でおやすみ)
Syalis is a princess. A really cute one. When she gets kidnapped by the Demon King as a hostage, she's stuck in a castle full of demons, waiting to be rescued by her knight in shining armor. So what does she do? What any of us would. Take a nap—on a pillow she fashioned from her Teddy Demon guards. Duh.
It has an average vote of 8.5 on TMDB.
6. Violet Evergarden (ヴァイオレット・エヴァーガーデン)
The war is over, and Violet Evergarden needs a job. Scarred and emotionless, she takes a job as a letter writer to understand herself and her past.
It has an average vote of 8.494 on TMDB.
7. SK8 the Infinity (SK∞ エスケーエイト)
"S" is a dangerous, top secret, no-holds-barred downhill skateboarding race down an abandoned mine. When avid skateboarder Reki takes Langa to the mountain where "S" is held, Langa, who's never been on a skateboard in his life, finds himself sucked into the world of "S", and…?!
It has an average vote of 8.493 on TMDB.
8. JoJo's Bizarre Adventure (ジョジョの奇妙な冒険)
Follow the intergenerational feud between the Joestar Family and various forces of evil, the most prominent of which is Dio Brando and his followers.
It has an average vote of 8.589 on TMDB.
9. Your Lie in April (四月は君の嘘)
Kousei Arima was a genius pianist until his mother's sudden death took away his ability to play. Each day was dull for Kousei. But, then he meets a violinist named Kaori Miyazono who has an eccentric playing style. Can the heartfelt sounds of the girl's violin lead the boy to play the piano again?
It has an average vote of 8.6 on TMDB.
10. Assassination Classroom (暗殺教室)
The students of Class 3-E have a mission: kill their teacher before graduation. He has already destroyed the moon, and has promised to destroy the Earth if he can not be killed within a year. But how can this class of misfits kill a tentacled monster, capable of reaching Mach 20 speed, who may be the best teacher any of them have ever had?
It has an average vote of 8.435 on TMDB.
11. Teasing Master Takagi-san (からかい上手の高木さん)
"If you blush, you lose." Living by this principle, the middle schooler Nishikata gets constantly made fun of by his seat neighbor Takagi-san. With his pride shattered to pieces, he vows to turn the tables and get back at her some day. And so, he attempts to tease her day after day, only to find himself victim to Takagi-san's ridicule again sooner than later. Will he be able to make Takagi-san blush from embarrassment even once in the end?
It has an average vote of 8.2 on TMDB.
12. Real Girl (3D彼女 リアルガール)
Tsutsui Hikari is a high school student who is content with his virtual life of anime and video games. One day, he gets stuck cleaning the pool with Iroha, a real live girl who is stylish, sassy and known to be easy with boys ... and she aggressively approaches him! Tsuttsun, who has few friends and lives in his own world, finds himself smitten by the confident and wild Iroha ... and his whole world is turned upside down!! It's the awkward and pure love story of a boy who experiences relationship for the first time.
It has an average vote of 8.6 on TMDB.
13. Shaman King (シャーマンキング)
Asakura Yoh is a shaman, a person who communicates with ghosts. He enters the Shaman Fight, for whoever wins the tournament gets to commune with the Great Spirit, God . . . that and his fiance Anna wants to be the wife of the Shaman King. Helping him are his friends Manta, Horo Horo, Ryu, and his samurai ghost partner, Amidamaru.
It has an average vote of 8.547 on TMDB.
14. 1 Litre of Tears (1リットルの涙)
1 Rittoru no Namida is a Japanese television drama for Fuji Television about a girl who was diagnosed with an incurable degenerative disease at 15, but was able to continue her life until her death at the age of 25.
It has an average vote of 8.45 on TMDB.
15. Demon Slayer: Kimetsu no Yaiba (鬼滅の刃)
It is the Taisho Period in Japan. Tanjiro, a kindhearted boy who sells charcoal for a living, finds his family slaughtered by a demon. To make matters worse, his younger sister Nezuko, the sole survivor, has been transformed into a demon herself. Though devastated by this grim reality, Tanjiro resolves to become a “demon slayer” so that he can turn his sister back into a human, and kill the demon that massacred his family.
It has an average vote of 8.66 on TMDB.
16. DON'T TOY WITH ME, MISS NAGATORO (イジらないで、長瀞さん)
"A girl in a lower grade just made me cry!" One day, Senpai visits the library after school and becomes the target of a super sadistic junior! The name of the girl who teases, torments, and tantalizes Senpai is "Nagatoro!" She's annoying yet adorable. It's painful, but you still want to be by her side. This is a story about an extremely sadistic and temperamental girl and you'll feel something awaken inside of you.
It has an average vote of 8.279 on TMDB.
17. Platinum End (プラチナエンド)
As his classmates celebrate their middle school graduation, troubled Mirai is mired in darkness. But his battle is just beginning when he receives some salvation from above in the form of an angel. Now Mirai is pitted against 12 other chosen humans in a battle in which the winner becomes the next god of the world. Mirai has an angel in his corner, but he may need to become a devil to survive.
It has an average vote of 7.818 on TMDB.
18. Ergo Proxy (Ergo Proxy)
In a futuristic world almost barren of life, mankind is confined to mechanized domed cities where A.I.’s control all aspects of life. In this world, humans are no longer born, they are manufactured in a production line; and alongside them live androids known as autoreivs. Within one of these domed sanctuaries named Romdeau lives Re-l Mayer, one of a few citizens who aren’t entirely prevented from thinking. Her grandfather's prominent position and the affection of the scientist Daedalus have left her more free will than is normally allowed, but Re-l has started to question the sanctity of the city and the citizens' perfect way of life. With mysterious beings known as proxies causing havoc and a man named Vincent causing great influence on her life, Re-l must travel outside of the city to find the answers she seeks and discover the mystery behind "the awakening".
It has an average vote of 7.572 on TMDB.
19. Naruto (ナルト)
Naruto Uzumaki, a mischievous adolescent ninja, struggles as he searches for recognition and dreams of becoming the Hokage, the village's leader and strongest ninja.
It has an average vote of 8.354 on TMDB.
20. Cautious Hero: The Hero Is Overpowered but Overly Cautious (慎重勇者~この勇者が俺TUEEEくせに慎重すぎる~)
There is a popular saying: "you can never be too careful." It is very important to prepare for every situation you may face, even if it seems like an unnecessary waste of time. Also, in games like RPGs, it is good to exceed the level of your enemies to achieve total victory.</p><p></p><p>These words describe Seiya Ryuuguuin a little too perfectly. After being summoned by the goddess Ristarte to save the world of Gaeabrande from destruction, the hero prepares himself for his noble journey. While this might be normal, he spends a very long time training himself, despite having overpowered stats. He fights weak enemies using his strongest skills and buys excessive amounts of supplies and potions—all to stay safe.</p><p></p><p>While his attitude may be a bit annoying, it might just be the saving grace of Gaeabrande, especially considering that it is a world where the forces of evil dominate each and every expectation.
It has an average vote of 8.3 on TMDB.