BAGR-021 I saw my classmate doing lesbian stuff in the classroom. When I tried to blackmail them with it, they counterattacked and made me ejaculate multiple times.

After school in the classroom. I came back to pick up something I forgot, and witnessed a shocking scene. A classmate, Kasugi Ichika, was pressing her mouth against Kausu Sumi's genitals, making obscene sounds. I took a photo. If I use this photo to blackmail them...
The next day, I showed the photo to Kasugi. She didn't change her expression at all. Before I knew it, my clothes were being taken off and photos were being taken of me. The tables had turned. I was destined to repeatedly ejaculate as a flesh dildo to enhance their sex...