Miyuu is about to take the university entrance exam, but her grades at school aren't good. However, she doesn't seem to be worried about it, and she just spends her days lazily playing games. Worried about her daughter, her mother hired a tutor. That's why I came to this house to tutor her. It's the best job ever, talking to a hot schoolgirl and getting paid. Wow... and this time it was a hit! She's cute, and her boobs are huge. "Eh? Studying? That's annoying..." But she's a little rude. "That's right, I'll lend you my boobs, so act like you're studying." What!? That's how our strange relationship began. I did Miyuu's homework for her. Then I could use her boobs as much as I wanted. I was free to rub, lick, and squeeze them. I used my J● boobs as a masturbator. It felt so good... I couldn't stand it! As I played with her boobs from morning to night, Miyuu gradually started to feel it...