from that day when the portio was developed...

A female doctor who is a surgeon at a private hospital in Tokyo. She is a subject of a human body experiment because she rejects Sadamatsu, a colleague doctor who seeks physical relations with evil emotions, without permission. The secret experiment was conducted in the hospital. Women approach the uterus with medication and current, so-called porchios, where they can get the most enjoyment. It’s like a feeling that comes from the deepest part of the uterus. The woman has a feeling of portio sexuality.