Recently, I've been seeing a lot of "cuckold" stuff on the internet, but I thought it had nothing to do with me. Kana and I are both second-year university students. We've been dating for exactly one year. We've been living together for almost six months now. She's beautiful, cute, kind, and has a nice figure, so I'm incredibly happy right now. ...I was happy...but! Of all things! I never thought it would turn out like that... I accidentally saw a video of the club drinking party that day...and it showed her in a completely outrageous state... She was surrounded by naked men, happily sucking their dicks. She was taken turns being fucked by dicks and came over and over again with an ahegao face. It's frustrating and regretful, and I can't forgive it, and I don't want to forgive it...but for some reason, I'm excited by this video of a cuckolded, depressed, erection.