Shouta accidentally walked in on his sister’s androphobic girlfriend while she’s in the bathroom… and she has a dick? Can Shouta help his sister cure her girlfriend?

Japanese Title: メス堕ち竿連結 ～姉ちゃん達に弄ばれた僕～ / Mesu Ochi Sao Renketsu ~Nee-chan-tachi ni Moteasobareta Boku~
Author: Kikuichi Monji
Circle: Monji Koubou
Page: 48
Original Publication: 11/2019