An immature and lustful teenager named Hanappe is paid a visit by a duo of fiendish entities that emerge from his television. Attracted to his mother and sister, the infernal beings use their otherworldly prowess to convert Hanappe's house into a meeting place for their demonic comrades. To top it off, they bestow upon Hanappe the Hanappe Bazooka, an incredibly powerful weapon that transforms his index finger into a potent tool capable of eliciting deadly blasts and arousing sensual desires in women. Unfortunately, Hanappe's incompetence in managing his newfound power results in numerous perilous situations.