Ryuu Yamada, a delinquent looking for a fresh start, accidentally discovers he can switch bodies with the studious Urara Shiraishi after a kiss.
Their unusual ability draws the attention of the Supernatural Studies Club, led by Toranosuke Miyamura, who recruits them both.
Joined by the eccentric Miyabi Itou, the club uncovers a legend about seven witches at their school, each possessing a unique power activated by a kiss.
The club members decide to embark on a mission to identify these witches and understand their powers, leading to comical and perhaps complicated situations.