A Hentai System in the World of Dungeon Ni Deai.
While I was reading the first volume of "Dungeon Ni Deai," I suddenly felt my cock grow. It grew so much that it started to hurt. Suddenly, my sperm gushed out. Before I could understand what was happening, I suddenly realized that I was in an unfamiliar place. [ Welcome to Hentai System ] [ First mission: Cum 10 time...