I looked for my all-time favorite hentai series on my favorites list today and found that it was missing. I fear it was taken down for reasons unknown, and I can't remember the title for the life of me. The artist might be Shiwasu no Okina but I'm really not sure about that either.
It's about a guy who's bullied by three girls. One day, his dick gets separated from his body and the girls all take turns using it for various sex acts.
Anyone who knows the title, please help! I would appreciate it so much.