黒川 恵

A childhood friend of the protagonist. She meets the protagonist at the hospital for the first time in a long time.

She pretends to be a quiet and pretty girl in public, but she has an active personality by nature and acts selfishly in front of the main character.

She has been in love with the main character since she was a child, so when she starts dating Sanae, she tries to force him to have sex with her in order to take him away.

Her breasts are very small. She has a lot of knowledge about sex. She is a virgin.