ROYD-306 - “You really need to wash properly!” My older sister, who always treats me like a child despite the age gap, tries to peel back my foreskin and wash me gently and thoroughly! Miyu Hou

I have a very beautiful older sister who takes very good care of me and still treats me like a child even though I'm a high school student, interfering with everything from my studies and private life to even how I take a bath. Seeing my foreskin, she says, “You really need to wash properly! You won’t be popular with girls!” and tries to peel it back and wash it!! She’s already beautiful, but when she touches me like that, my penis gradually hardens and becomes an adult’s erect penis! Seeing that, my sister was initially surprised, but soon she started moving her hands with excitement, and I ejaculated onto my sister because it felt so good! I thought this was bad, but my sister, aroused by my grown penis and the released semen, said, “Hey… let’s do something more adult,” making a very erotic expression I’d never seen before!!