Minami “Ikki” Itsuki, is a student and a delinquent. Also known as the “Unbeatable Babyface,” Ikki is the leader of the youth gang by the name of “East Side Gunz.” Upon his return home after being humiliated by a street gang of Storm Riders called the Skull Saders Ikki discovers a secret hidden from him by his benefactors, the Noyamano sisters. The sisters belong to a group of Storm Riders who go by the team name of Sleeping Forest. Keen on helping Ikki to regain his confidence and pride, they supply him with a pair of Air Trecks (abbreviated as “AT”). Ikki eventually settles his grudge with the Skull Saders, but in the process he receives more than the simple satisfaction of revenge. Determined to experience the sensation of “flight” for as long as he can, our headstrong protagonist is quickly sucked into the mysterious, yet irresistible world of Air Treck.
Hotaru Tachibana is a girl disguised as a boy. Through strange circumstances she finds herself drawn into the world of survival games by a host, Masamune Matsuoka. The two form a team with ero-manga artist Tohru Yukimura and aim to be the be the best in Japan.
Humans live in the world of Assiah, demons in Gehenna. The two dimensions are not meant to interfere with each other, but demons still possess creatures in Assiah in spite of this. The humans who can fight these demons are known as exorcists. Rin Okumura is a boy who bears the curse of being Satan's illegitimate son. His foster father sacrificed himself to save him from demons. To avenge his foster father's death as well as to prove himself, Rin decides to follow the path of an exorcist.
Bulma is a girl in search of the mystical dragonballs that when brought together grant any wish. In her search she bumps into the owner of one of these balls, a strange boy named Goku. The two then set off together, Bulma in search of the dragonballs and Goku on a quest to become stronger.
A girl aiming to become an idol named Uzuki Shimamura is informed that she has been accepted into the Cinderella Project, a new project that collects girls and polishes them to become idols. After meeting Rin Shibuya, Mio Honda, and the other eleven fellow members of the group, the girls begin their journey at the 346 Pro talent agency, overcoming many trials and hoping to one day stand on the same stage as their senior idols.
Kumiko Oumae is looking for a new beginning at Kitauji High School, distant from most of her middle school peers. She befriends Hazuki Katou and Saphire "Midori" Kawashima and joins the Music Club with them, a past-time from her junior high days. There she continues to play euphonium and encounters Reina Kousaka, a figure from her past she didn't expect to meet again. As the club works tirelessly to achieve it's goals, the two girls awkwardly dance around each other, each wanting to know the other more.
Kumiko and her teammates have won the Kyoto regional tournament. From now on, life will be getting a lot more hectic. With the national tournament fast approaching, Kumiko's band is doubling down on practice and discipline, leaving little time for sleep or other recreational activities. The redoubled practice schedule brings Kumiko and Reina closer together, but elsewhere in the band, it seems like drama threatens to tear the group's unity apart. The ghost of the prior year's mass band exodus still haunts many of Kumiko's classmates, and with former band member Nozomi Masumi now asking to return, it seems like the grudges of the past will soon be impossible to ignore.
Souchirou Nagi and Bob Makihara are two delinquents who arrive at Toudou Academy with the objective of ruling over the school with their strength. But on their first day, they encountered the Jyuukenbu, a martial arts group of the school. Members of the group, Maya Natsume, her sister Aya, and Masataka Takayanagi easily overpowered Souchirou and Bob. And what's more, due to what was assumed to be their "connections" with the Jyuukenbu, the two were attacked by members of the Enforcement Group, which oversees the martial arts groups of the school. Drawn into the personal conflicts between the Jyuukenbu and the Enforcement Group, Souchirou and Bob have no choice but to join up with Maya Natsume's group and to hone their skills to become even stronger.
K?sei Arima was a piano prodigy until his mother died when he was eleven years old. The shock of losing her made him lose any interest in piano, and his life has felt monotonous ever since. Then, when he's fourteen, his childhood friend Tsubaki introduces him to her classmate Kaori, a free-spirited violinist. Her enthusiasm reignites his interest in music and in life.