My brother is married and lives with his wife in my parents' house. Such an older brother has some suspicions of adultery despite having a super beautiful wife. Because, lately, I've been returning home late at night because I've been working overtime. An older brother who waits for such an older brother. I actually liked that kind of brother-in-law. One day, waiting for my brother to come home, I bumped into that thought. Naturally, I refused at first. But when I found out that I was serious, my wife was frustrated and forgave my body ...