MRSS-105 My wife's brother-in-law is the worst piece of shit, but right now he's at home alone with my wife. Haneo Arisa

I'm on a business trip right now, and my wife Alisa called me. Has she already gotten lonely? I thought with a sigh as I answered the phone. Apparently, Takefumi, Alisa's brother-in-law, had come to our house. Takefumi... I've talked to him once at a drinking party, but he sees women only as tools for his sexual desires. He's the lowest of the low. I'd been vaguely aware that he had his eyes on Alisa, but to come when I'm not home...