MVSD-578 The protagonist, Haruto, lives alone with his father, Nakata, after his mother passes away, and they inherit some money. Unfortunately, his father, who is a scumbag, is quickly gambling and drinking away their inheritance away.
Haruto is trying hard to escape this reality and join university soon, so the homeroom teacher recommends a private tutor: Mei Itsukaichi, a substantially pretty lady whom he quickly develops a crush on.
But sure enough, the scumbag father also ruins that for him.