Yuuken Yuu Enma is an average Japanese high school student preparing for an upcoming kendo tournament. On the night before the competition, however, a black carriage crashes into him. When he regains consciousness, Yuu finds himself at Night Raven College—a premier academic institution in the magical world of Twisted Wonderland. Only a chosen few with exceptional magical talent are admitted into the school, so it is a mystery how a human with no magic ability ended up here. Although Yuu desires to return home, it is easier said than done. While the school's headmaster searches for a way to send him back, Yuu is assigned manual labor around the campus. But due to the chaos at the school's entrance ceremony following his arrival, Yuu has a target painted on his back as far as Heartslabyul dorm leader Riddle Rosehearts is concerned. Yuu meets and befriends Heartslabyul freshmen Ace Trappola and Deuce Spade; yet soon after, Ace and Deuce land in a situation that results in their expulsion. As the pair seek to redeem themselves, Yuu accompanies them on their perilous mission to fix school property. However, forgiveness does not come easily from the Crimson Tyrant in charge of Heartslabyul, who may have an ulterior motive behind his strictness.

The night of a family birthday party. The mother is tired from work and wants to drink a beer as soon as possible. The father is fidgety and keeps an eye on the clock. A little girl is excited about the sumptuous meal and runs around the house. The intercom rings. There, a new family member is standing there... (Source: Official site, translated)

On the surface, high school students Naomi Katagaki and Ruri Ichigyou seem to be polar opposites. In contrast to Naomi's shy and timid personality, Ruri strikes fear in her classmates due to being rather cold and outspoken. Nevertheless, both Naomi and Ruri nourish a strong passion for reading, which gradually draws the two closer. As Naomi spends more time with Ruri, he discovers that she has a sweet side and is not as intimidating as everyone thinks. Subsequently, he develops genuine feelings for Ruri and decides to confess his love to her, which she happily reciprocates. However, their wholehearted relationship is disrupted when Ruri gets struck by lightning, causing her to enter a coma. Wanting to see her smile again, Naomi resolves to return Ruri to her everyday life—no matter how great the lengths he must stride are.

Set in the land of Yuguto, the people thought that the land they live is the size of the world, but it's actually divided into several areas, each with a respective king. Even though there were small wars among areas, the kings had roundtable meetings to maintain peace and balance. It was until a dark group of dark monsters appeared... (Source: MAL News)