Nakada Shio

The protagonist. He is an obstetrician/gynecologist who researches “hypersexuality". He only treats his female patients by making them cum all over the place to relieve their frustration.

He has an exceptionally large male organ, and most of his female patients are captivated by it. His hobby is creampieing women.

He is always busy with his research and treatment for his desire to revitalize his hospital by winning a fortune through his research.