Read manga: Koi Lemon

manga
Artists: AZUMA Tesshin
Status: ongoing
Latest chapter: Chapter 3
Updated at: Aug 25, 2019
Summary:

Since his childhood Tamaki has had a medical condition; his gets the hives every time he has skin contact with a girl. One day his sister sends him a life-sized doll so he can use it to masturbate, to his surprise it's alive...and it looks exactly like his favorite eroge heroine, Lemon-chan!