[Exclusive Riho Shishido challenges her slutty sister for the first time! ] While I was away at my girlfriend's house, I ran into her older sister, Riho, who doesn't wear a bra, and I got fixated on her plump soft breasts and got an erection! Riho noticed this and approached with a grin with her unprotected breasts and floating nipples! She succumbs to the temptation of big breasts that she doesn't have and has sex! After that, I continued to have titty fuck, breastfeeding handjob, and sex at night, even though my girlfriend was next to me, making me a slut.