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SERVER.STDOSB
"I'm vulnerable to being messed up with Ubu."Nanami Ogura
Which would you choose, "the strong pushy small-breasted girlfriend" or "the weak-to-push girlfriend's busty sister"?I started thinking that way when I first started dating her.She is a proud girlfriend, but she is guarded against sex (crying).On the other hand, her younger sister seems to be quiet and timid, and I, who was at the limit of my hornyness, ended up touching her younger sister's big boobs... Eh!I don't strongly resist (laughs).From there, I decided to secretly send sex activities with my sister Nanami, who is super sensitive and can have sex!