[A new sensation... a disgusting NTR right before your eyes!] I had a suspicious girlfriend cheating on me... so I asked a trusted junior colleague to be the prankster and left the two of us alone to see if it was true. I was nervous as I looked on, but an unexpected development occurred...! "I haven't done it with that person, so maybe I've been building up..." Hinatako looked at me with a strangely moist gaze and tried to entice my junior. This is bad... I desperately tried to signal my junior to stop, but I was carried away and it escalated. She exposed her naked body, gave me a blowjob, and fucked me... I could only watch the hellish scene and ejaculated in a depressed state. The girlfriend I loved was just a slut... I was stupid to try something out for fun.