I graduated from school without ever confessing my feelings to my childhood friend, Misao, whom I'd always had a crush on. Misao moved to Tokyo to continue her studies, while I got a job in my hometown. A year later, Misao returned to my hometown - a promiscuous girl who dresses in revealing outfits. Apparently, she bumped into my mother on the street, and decided to stay at our house because she didn't feel comfortable going back home. What?! Living with this overly sexy Misao...?! But then she got caught by a bad guy...