Joou-sama Soft - Do S Ane to Do S Imouto (eng)

Kou Saotome is smack in between Arisa and Ruka, the middle brother of two sadist sisters.Between them he's constantly getting forced into things. They're not even the only ones.At some point a guy's just gotta surrender: "Okay, I'm a slave to all women, I'm a masochist!"