EPISODE.1
SERVER.ASIVID
"If it's sex, I'm better!" When a younger sister who has an inferiority complex to her older sister seduces her older sister's boyfriend, he becomes interested!The battle between my disgusted older sister and my younger sister who never wants to lose begins! !Yukina Matsuura, Karen Haruki, Miki Shibuya and others… Shiori Satosaki
A younger sister who has a complex about her older sister who is superior in both appearance and status.However, she seduces her sister's boyfriend by using the one part of herself that is superior to her sister.Then her older sister's boyfriend takes care of her.When she sees it, her angry older sister joins in and gets into a scramble for dicks...! !