Yuuken “Yuu” Enma is an ordinary boy who studies in high school and practices Kendo. He was very excited about his upcoming tournament. But the night before that, a mysterious black carriage hit him. When he wakes up, he finds himself in a completely different place known as the Night Raven College. It was a magical school in a wonderland where only people with magical power could get in. Now the question is how a normal human like Yuu got in?
Although Yuu wanted to go back to his home, it’s not as easy as it seems. You have to do some chores around the campus to get adjusted to them. During the chaotic entrance ceremony, Riddle Rosehearts, the strict dorm leader, sees Yuu as a troublemaker.
However, Yuu makes some new friends, Ace Trappola and Deuce Spade. They both get into trouble and are almost expelled from the academy. You join them to make things right and fix their mistakes. During his journey, he faced various harsh and mysterious riddles.
