"I met a super sexy married woman the other day, and I took a sex video of her (lol)." When my womanizing colleague, Taguchi, showed me the sex video, I couldn't believe my eyes. I couldn't believe that my plain and serious wife, Eriko, had such a true nature... There was no way I could turn my eyes away from this unbelievable fact. Convinced that she was acting suspiciously, I quickly sent my junior colleague off on a business trip to Nagoya that was supposed to start the next day, and decided to timidly investigate Eriko's lewd true nature, which I didn't know about...