MRSS-105 My Wife's Sister Has The Most Awful Husband, But These Days She Sure Seems To Be Spending A Lot Of Time At My Place Arisu Hanyu

I'm on a business trip right now, and I got a call from my wife Alisa. Are you lonely already? It can't be helped... I answered the phone while thinking that Arisa's sister's husband, Takefumi, had come to my house. Takefumi... I had a conversation with him once at a drinking table, but he's the worst kind of man who only sees women as tools for sexual desire processing. I've vaguely sensed that you've been aiming for Arisa since before, but to think that you'd come when I wasn't there...