Yoiko no Kokoroe Ren Kuon, who was known as a gangster, is the president of the student council in Ashitaka high school. With Yuusuke Akiba, the vice president; Koyuki Benten, the treasurer; and Anri Umebayashi, the secretary, he plans to hold the sports festival, which he likes, that used to be held every year. But on the festival day, uninvited people assemble in the back of the school and make trouble. So what will Kuon do?