WANZ-939 My Slutty Stepsister Treats Me Like Some Kind Of Pet, And I Do As I’m Told – Yui Nagase

My niece ‘Yui’ has loved me since I was little. She seems to like naughty things, and as I listened to her and played around with her, I was completely taken aback by being told, ‘You’re my servant’… 3 months later, 3 more times. Months later, every time we meet regularly, my appearance grows like an adult, handjobs, lap restraints, AV mimicry, SEX shows… A story of 10 years of being a slut by my growing niece.