"Nipples don't count as cheating, right?" My girlfriend's younger sister, who wanted to sleep with me, discovered my erect and sensitive nipples after I showered... No matter when or where, I'm constantly being scolded by this slut with her brain-melting whispers about my nipples until she switches sides, and I get fucked until I'm completely destroyed... Miyu Aizawa MIAB-605

My girlfriend's younger sister, Miyu, ran away from home and came to the house my girlfriend and I live in. After showering, I encountered Miyu… "Brother, your nipples are hard, aren't they?" My sensitive nipples were discovered…! From that moment on, Miyu's life of whispering nipple-teasing seduction, wanting to sleep with me anytime, anywhere, began…! While eating with my girlfriend, while showering…! While working remotely, while working…! When my girlfriend wasn't around, she thoroughly nipple-teasing me! Gently rubbing while pinching with varying pressure, constantly teasing my nipples! "I can do many nipple-teasing things that my older sister can't do." No… even though I know it's not right, Miyu's nipple-teasing feels too good… Using bubbles, lubricant, and toys, she thoroughly developed 10 scenarios for my nipples. Miyu's intimate, lewd words shattered my rationality, making it impossible to resist the pleasure of being slept with…