I've always been timid and bullied, but this spring I got a super cute girlfriend at a cram school. But one day, while I was studying with her in my room, suddenly, the doorbell started ringing vulgarly. Wondering who it was, I opened the front door only to find that the craziest skinhead in the prefecture, the one everyone in the neighborhood is scared of, even Tmaru-senpai, respects him, barged in...!