The story of a school festival that is being jointly organized by Tadakuni, Yoshitake, and Hidenori's all-boys school and an adjacent all-girls school. At an all boys high school, Tadakuni (Masaki Suda), Yoshitake (Shuhei Nomura) and Hidenori (Ryo Yoshizawa) are close friends and think usually all day about girls. Their high school then co-hosts a school festival with an all girls high school.