Big Sister’s Thorough Hygiene Lesson – Part 5

Synopsis

I have an older sister who is beautiful but treats me like a child, even though I’m now in high school. She’s very caring and protective. One day, while I’m bathing, she suddenly enters the bathroom. Upon seeing my phimosis, she scolds me, saying “You need to clean it properly or girls won’t like you!” She begins to retract the foreskin and carefully wash it for me. As she touches me this way, my penis becomes fully erect – an adult’s arousal! Just when I think this is going too far, my sister, now aroused by the sight of my hardened member, begins to…

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