Okometsubu Fujiyama, a recent transfer student at Wakame High School, sets out to befriend 100 classmates until he encounters the eccentric Masaru Hananakajima. Masaru, a practitioner of the unique 'Sexy Commando' martial art, recruits Fujiyama, now dubbed Fuumin, into his club. This club, filled with a quirky cast of characters, embarks on a bizarre and comical journey, encountering aliens, mustaches, and adorable creatures while gaining increasing popularity.