I was a bullied errand boy when I was young, but since I left my hometown to go to university, I have changed a lot. I got a job at a top company and am living a lovey-dovey newlywed life in an apartment in Tokyo with my beloved wife. I was living such a smooth and fulfilling "real life" when suddenly, for the first time in years, I received an email from Takemaru-senpai, the "craziest delinquent in the prefecture" who was super famous in my hometown. He said that Takemaru-senpai would be coming over here this weekend to sightsee in Tokyo, and asked if he could stay the night at my apartment...