1. Level E (レベルE)
Earth has been populated by thousands of aliens from all over the galaxy. While all the other aliens are aware of their presence, it is a secret only from the Earthlings. Baka, the prince of the planet Dogra, crash lands on Earth and loses his memory. He forcibly moves in with Yukitaka Tsutsui, a first year high school student who had just moved out on his own. The normal life he once knew is quickly pulled away as he becomes the target of the prince's torment.
It has an average vote of 7.79 on TMDB.
2. Monthly Girls' Nozaki-kun (月刊少女野崎くん)
High school student Chiyo Sakura has a crush on schoolmate Umetarō Nozaki, but when she confesses her love to him, he mistakes her for a fan and gives her an autograph. When she says that she always wants to be with him, he invites her to his house and has her help on some drawings. Chiyo discovers that Nozaki is actually a renowned shōjo manga artist named Sakiko Yumeno. She then agrees to be his assistant in order to get closer to him. As they work on his manga Let's Fall in Love , they encounter other schoolmates who assist them or serve as inspirations for characters in the stories.
It has an average vote of 7.131 on TMDB.
3. Gleipnir (グレイプニル)
Shuichi Kagaya is an ordinary high school kid in a boring little town. But when a beautiful classmate is caught in a warehouse fire, he discovers a mysterious power: he can transform into a furry dog with an oversized revolver and a zipper down his back. He saves the girl’s life, sharing his secret with her. But she’s searching for the sister who killed her family, and she doesn’t care how degrading it gets: she will use Shuichi to accomplish her mission…
It has an average vote of 8.2 on TMDB.
4. AIKa (AIKa)
Aika Sumeragi works as a salvager for hire, but gets caught up in a plot for world domination.
It has an average vote of 7.997 on TMDB.
5. Charlotte (シャーロット)
All thanks to the special ability that he developed, Yuu was able to cheat his way into a very prestigious high school. With his power, he thought nothing was going to stand in his way, until he met a mysterious girl named Nao Tomori and other students with special abilities just like him. It was the beginning to a new life.
It has an average vote of 8.4 on TMDB.
6. Nisekoi (ニセコイ)
Nisekoi follows high school students Raku Ichijo, the son of a leader in the yakuza faction Shuei-Gumi, and Chitoge Kirisaki, the daughter of a boss in a rival gang known as Beehive. They unexpectedly meet when Chitoge hops a wall and knees Raku in the face. After she runs off, Raku realizes he has lost his locket which was given to him by his childhood sweetheart with whom he made a secret promise. After discovering Chitoge is a new transfer student in his class, he forces her to help him look for the locket. During the search, they begin to dislike each other.</p><p></p><p>Upon returning home, Raku learns that the Shuei-Gumi and Beehive gangs have agreed to settle their feud by pairing their leaders' children. Raku learns that his girlfriend-to-be is none other than Chitoge. For the next three years, they must pretend to be in a relationship to maintain peace between the gangs. This turns out to be quite a challenging task, not only because of their hatred for one another, but also because Raku has a crush on another schoolmate, Kosaki Onodera, whom he secretly wishes was the girl who bears the key to his locket. Various developments complicate the situation, including Chitoge's over-protective bodyguard, a female hitman, a girl who claims to be Raku's fiancée, and the existence of multiple keys.
It has an average vote of 8.301 on TMDB.
7. Wonder Egg Priority (ワンダーエッグ・プライオリティ)
Ai, a young girl with shut-in tendencies, who tries not to interact with others. She keeps one of her eyes hidden behind her hair. One day, she happens to stop by a deserted arcade, where she meets "Aka." Spinning the gacha at their urging, she acquires a "Wonder Egg," and from that moment, her fate begins to change...
It has an average vote of 6.9 on TMDB.
8. My Girlfriend Is Shobitch (僕の彼女がマジメ過ぎるしょびっちな件)
Haruka Shinozaki has been interested in the class representative, Akiho Kousaka, since his first year in high school. She is attractive, good at sports, and is an all-around model student. Since they are in the same class this year, Shinozaki decides to confess his feelings—and, to his shock, Kousaka agrees to be his girlfriend! However, he finds that Kousaka is a bit stranger than he first thought: this seemingly perfect girl has never been in a relationship. But even though she is inexperienced, she vows to please Shinozaki in every way she can... such as learning multiple sex positions or his fetishes. Shinozaki tries to assure her that her studies into such subjects aren't necessary, but Kousaka devotes herself to making him happy in more ways than one.
It has an average vote of 8.2 on TMDB.
9. AIKa ZERO (AIKa ZERO)
In the future — in a world mostly submerged under water — the 19-year-old Sumeragi Aika goes to college while training as an agent by assisting in Aida Gozo's salvaging business.
It has an average vote of 7.726 on TMDB.
10. Eyeshield 21 (アイシールド21)
In Tokyo, a weak, unassertive boy named Sena Kobayakawa enters the high school of his choice, Deimon Private Senior High School. Sena's only remarkable physical abilities are his running speed and agility, which are noted by the school's American football team captain Yoichi Hiruma. Hiruma forces Sena to join the Deimon Devil Bats football team as its running back. To protect his identity from other teams who want to recruit him, Sena is forced to publicly assume the role of the team secretary and enter the field under the pseudonym of "Eyeshield 21" wearing a helmet with an eyeshield to hide his features.
It has an average vote of 8.4 on TMDB.
11. Seraph of the End (終わりのセラフ)
In 2012, the world allegedly comes to an end at the hands of a human-made virus, ravaging the global populace and leaving only children untouched. It is at this time that vampires emerge from the recesses of the earth, likely followed by age-old horrors of the dark thought only to be myth. The vampires sweep the earth and claim it in a single violent stroke, subjugating the remnants of humanity and leading them beneath the surface to safety. This "protection" comes at the price of donating blood to their captors. At the age of twelve, Yūichirō and his friend and fellow orphan Mikaela plotted to escape along with the children in Hyakuya Orphanage. However, this resulted in their deaths and Mikaela sacrifices himself in order for Yūichirō to escape and be saved by members of the Moon Demon Company, an extermination unit of the Japanese Imperial Demon Army. Four years later, Yūichirō dedicates his life to destroy vampires and seek revenge against them for murdering his "family".
It has an average vote of 7.903 on TMDB.
12. Wise Man's Grandchild (賢者の孫)
In the modern world, a lonely man dies and reincarnates in another world. Rescued as a baby from a tragedy by a brilliant sage named Merlin, the baby is raised as “Shin Walford,” and undergoes training in both magic and martial arts to kill the monsters that ravage the land. At 15 years old, Shin has become shockingly powerful. But his grandfather Merlin has forgotten to teach him the common sense of this world.</p><p></p><p>As a result, Shin enrolls in the kingdom's Magic Academy to hone his skills and mature among other teenagers. However, living a normal life is impossible, as he is established as a local celebrity almost as soon as he arrives.</p><p></p><p>This story follows Shin Walford's high school life in the capital as he makes new friends, learns about the world, and fights off the various forces of evil surrounding him and his city.
It has an average vote of 8.123 on TMDB.
13. Banana Fish (バナナフィッシュ)
Nature made Ash Lynx beautiful; nurture made him a cold ruthless killer. A runaway brought up as the adopted heir and sex toy of "Papa" Dino Golzine, Ash, now at the rebellious age of seventeen, forsakes the kingdom held out by the devil who raised him. But the hideous secret that drove Ash's older brother mad in Iraq has suddenly fallen into Papa's insatiably ambitious hands—and it's exactly the wrong time for Eiji Okamura, a pure-hearted young photographer from Japan, to make Ash Lynx's acquaintance.
It has an average vote of 8.577 on TMDB.
14. Rurouni Kenshin (るろうに剣心 明治剣客浪漫譚)
The Meiji Era was one of great renewal for Japan, where swords and killing were outlawed. However, many survivors from the time of Revolution still live, lurking in the shadows and waiting for a chance to use their killing blades again. Only Kenshin Himura, formerly one of the most brutal of killers, hopes to keep his swordsman's honor and still live in the new era.
It has an average vote of 8.5 on TMDB.
15. Are You Lost? (ソウナンですか？)
A disastrous school trip leaves four students stranded on an uninhabited island. Staying alive on a deserted island is easy for Homare, thanks to her survivalist father's training. While the others struggle, she shows them that being isolated may not be as dreadful as they thought.
It has an average vote of 8 on TMDB.
16. Eek! The Cat
Eek! The Cat is a Canadian-American animated series, created by Savage Steve Holland and Bill Kopp and produced by Fox Kids and Savage Studios with animation by Nelvana, that ran from 1992 to 1997.
It has an average vote of 6.794 on TMDB.
17. The Quintessential Quintuplets (五等分の花嫁)
Fuutarou Uesugi is a poor, antisocial ace student who one day meets the rich transfer student Itsuki Nakano. They argue but when Uesugi realizes he is to be her tutor, he tries to get on better terms. While trying to do so he meets four other girls.
It has an average vote of 8.465 on TMDB.
18. Haven't You Heard? I'm Sakamoto (坂本ですが？)
First year high school student Sakamoto isn't just cool, he's the coolest! Almost immediately after starting school, he began attracting everyone's attention. The girls love him, and most of the boys resent him. There's even a boy in the class who works as a model, but who is constantly upstaged by Sakamoto! No matter what tricks the other boys try to play on him, Sakamoto always manages to foil them with ease and grace. Though Sakamoto may seem cool and aloof, he helps others when asked, such as in the case of the boy in his class who was being constantly bullied. No matter what difficulties Sakamoto encounters, he moves through his high school life with confidence and class.
It has an average vote of 7.618 on TMDB.
19. Fullmetal Alchemist (鋼の錬金術師)
Two young brothers are raised as alchemists, but when they are severely injured trying to perform a forbidden act, they begin searching for the one thing that can save them; the fabled philosopher's stone.
It has an average vote of 8.194 on TMDB.
20. Death Parade (デス・パレード)
There is a place after death that’s neither heaven nor hell. A bar that serves you one chance to win. You cannot leave until the game is over, and when it is, your life may be too.
It has an average vote of 8.033 on TMDB.
