According to rumors he transferred from his old school to Matsuri's, because he has already killed a student; because of that rumor students and even teachers are afraid of him at the beginning. One night at his way home he sees Matsuri using ''reverse whip'',one of the special moves of''honey princess'',so he became the first person knowing Matsuri's secret. Since his childhood Shigematsu was watching imperial pro-wrestling and is a fan of ''Honey Gangster''(Matsuri's dad) and Honey Princess.