Hapikon!

A first-year junior high student named Honda Non experiences an unexpected turn when three princesses from the Kokona Kingdom—Allen, Ciel, and Kira—transfer to his school. The princesses quickly gain popularity, but Non finds himself in a surprising situation after accidentally touching Ciel and Kira. According to a rule in their kingdom, if a man touches a woman's chest, he must marry her. As a result, Non is suddenly betrothed to both Ciel and Kira, thrusting him into an unusual and unexpected role. The story includes six additional chapters exploring the aftermath of this event.