[ENGLISH-SUBTITLE] ADN-557 My beloved wife was having sex with a colleague right in front of me, and for some reason my dick got rock hard. Kana Morisawa

I married my wife after we fell in love at work. We didn't quit our jobs and continued to work together until we had children. I didn't want to have children right away, but I had erectile dysfunction... I talked to my wife about it, but she didn't seem to be in a hurry, and I tried not to think too much about it. Then, one day, I decided to go drinking with my boss, Mr. Hashimoto, at my house. I got drunk quickly, but when I woke up to a noise, I found my wife and Mr. Hashimoto making out. I was shocked, angry, and saddened by the sudden situation, but I suddenly realized that my penis had become erect for the first time in a long time...