Two demons emerge from the television of Hanappe, a lecherous high school student, and instantly fall in lust with his mother and sister. They transform Hanappe's house into a gathering spot for their demonic acquaintances and bestow upon him the power of the Hanappe Bazooka. Consequently, his index finger can unleash a lethal blast and induce a lustful frenzy in women, yet Hanappe struggles to control this ability and finds himself in serious trouble.