Sei So Tsui Dan Sha — Seraphim Comics
Issue: #1
Ryu Ogura is a gentle and effeminate looking young man who's constantly bullied by three sexy girls from his school. One day, their abuse goes too far and his penis popped off, though he was unharmed. Much to everyone's shock, his penis is still completely functional and he can still feel every sensation when it's attacked to another body and even objects. Mari Itsuki and her friends quickly take...
First appearances: Meg Matsuda, Akira Nishimura, Mari Itsuki, Ryu Ogura, Mami Tamachi, Kyoko Ogura
Creators: Shiwasu no Okina
Characters: Meg Matsuda, Akira Nishimura, Mari Itsuki, Ryu Ogura, Mami Tamachi, Kyoko Ogura