Ekichi Onizuka and Ryuji Danma are members of an infamous biker duo known as the Oni-Baku (Demon Bomb). Legends of their strength have travelled all around the town of Shounan. So much so that both of them finally decide to drop out of their current high school to finally start achieving their real goals: to get laid. Despite being the biggest bad-asses on the street, the Oni-Baku have trouble scoring it with the ladies.

To solve this, they transfer to a new high school. Blood, sweat, and tears ensue as a result of their quest to finally lose their virginity.