U.A. High School's students of Class 1-A have made it to summer break. Izuku Midoriya accompanies his mentor All Might to a celebratory superhero festival on I-Island, an isolated patch of land dedicated to researching Quirks and everything else associated with the hero business. Midoriya is granted the opportunity to meet All Might's friend Dave and Dave's daughter Melissa, two talented hero equipment engineers. He also encounters his classmates, most of whom have been given the opportunity to spend part of their summer break at the festival.

However, a mysterious squad of villains infiltrates I-Island, and it is up to Midoriya and his friends to confront them, using their developing Quirks to fight off the new enemy and uncover a treacherous plot.

[Written by MAL Rewrite]

When Ryuu Yamada entered high school, he wanted to turn over a new leaf and lead a productive school life. That's why he chose to attend Suzaku High, where no one would know of his violent delinquent reputation. However, much to Ryuu's dismay, he is soon bored; now a second year, Ryuu has reverted to his old ways—lazy with abysmal grades and always getting into fights. One day, back from yet another office visit, Ryuu encounters Urara Shiraishi, a beautiful honors student. A misstep causes them both to tumble down the stairs, ending in an accidental kiss! The pair discover they can switch bodies with a kiss: an ability which will prove to be both convenient and troublesome. Learning of their new power, Toranosuke Miyamura, a student council officer and the single member of the Supernatural Studies Club, recruits them for the club. Soon joined by Miyabi Itou, an eccentric interested in all things supernatural, the group unearths the legend of the Seven Witches of Suzaku High, seven female students who have obtained different powers activated by a kiss. The Supernatural Studies Club embarks on its first quest: to find the identities of all the witches. [Written by MAL Rewrite]

Hikari Hanazono has always been able to do things that normal people cannot. As a child, she assumed no one could beat her—until she met Kei Takishima. Thinking she would win, Hikari challenged him to a match. But things didn’t go as planned; she lost not once but each time she rechallenged him. From that point on, she has sworn to best Kei at everything, ranging from academics to athletics. To achieve her goal, Hikari enrolls in the same school as Kei—Hakusenkan, a prestigious institute for the wealthy. As a pair, they hold the top two rankings in school and are among seven of the academy's best students in a class known as Special A. While Hikari treats Kei as a rival, she is completely oblivious that he harbors hidden feelings for her. Together, the members of Special A deal with competition, friendship, and just a bit of love. [Written by MAL Rewrite]

Xiao-Bai, a white snake demon, is sent on a mission to assassinate the Emperor's Taoist advisor, who has been killing snakes en masse in order to achieve immortality and curry the Emperor's favor. Xiao-Bai, however, is attacked by the advisor's lackeys before she can reach him and is subsequently defeated. Luckily, the demonic hairpin she was granted by the Snake Mother is able to save her life at the cost of her memories. Xiao-Bai awakens in the Snake-catcher village, unaware that she is actually a demon or that she is surrounded by her sworn enemies. She meets Xu Xuan, the man who saved her, and is charmed by him. The two set out on a journey to discover who Xiao-Bai is, and learn the secret of her demonic hairpin. The pair is pursued by Xiao-Qing, Xiao-Bai's sister, who has sworn to the Snake Mother to retrieve Xiao-Bai within three days or die trying. As Taoists, demons, and humans collide, a tale of forbidden romance unfolds.