In the classroom after school. I came to retrieve something I had forgotten, and was met with a shocking sight. Ichika Kasagi, a classmate, had her mouth on Sena Kasumi's genitals, making obscene squishing noises. I took a secret photo. I'll use this photo to blackmail the girls... The next day, I showed the photo to Kasagi. She didn't budge a peg. Next thing I knew, I'd had my clothes stripped off and my photo taken. The roles were reversed. I was reduced to ejaculating forever as a flesh dildo to spice up their sex...