If there's one thing about your boyfriend, Satoru, it's that he loves a challenge.

He always wants to prove that he is the best at everything. So when you propose the nnn challenge. He wants to prove to you that he can last the entire month.

But you're two days in, and the way your pj shorts hugs your figure is tempting him.

He's holding your waist and leaning down to whisper in your ear. "You're doing this on purpose, aren't you?"