Apparently someone who looks just like my coworker, Riho, is appearing in an adult video, and as I often hang out with her, I've been forced to play the role of finding out the truth. Riho not only readily admits to appearing in an adult video, but also boasts, "You can tell everyone," and leaves the scene. The next day, unable to process my feelings, I come home from work to find Riho standing in front of my room. As soon as I enter the room, Riho begins to take off her clothes. "You'll keep it a secret, won't you?" Captivated by her beautiful body, I let myself get carried away and end up embracing Riho. My girlfriend has just gone on a family trip today. It's the perfect time to cheat, but...