[Chinese]OYC-277 The story of my sister becoming a dick-crazy monster. She was made to give blowjobs anytime, anywhere, even in front of friends. Despite having experience with only one person, she turned into an insane sex beast...

～The story of my sister becoming a dick-crazy freak～ My sister is very obedient and does whatever I say. At first, she hated blowjobs, but no matter when or where, even in front of friends, she would give them without hesitation. Eventually, she started sucking off my friends' dicks too, and before long, she was begging me to fuck her! Lately, she's been having sex with my friends as well, turning into a full-blown sex addict!... She has become an insane sex monster...