When five Yamaboshi Academy students realize there are no groups where they can fit in, they start the Student Cultural Society, or "StuCS" for short. Taichi Yaegashi, a die-hard wrestling lover; Iori Nagase, an unsure optimist; Himeko Inaba, a cool computer prodigy; Yui Kiriyama, a small karate practitioner; and Yoshifumi Aoki, the class comedian, make up the group. Aoki and Yui have a weird encounter one day when, without notice, they exchange bodies for a brief amount of time. As this strange occurrence continues to occur at random among the five buddies, they understand it is more than simply a game. They are now compelled to get closer than ever before, and they soon learn each other's hidden secrets and emotional wounds.