YSN-496 The sister everyone treats as innocent is actually a Do-S. Please do something about the sister who, after I learn the truth, drenches me in obscene words, toys with my チ●ポ and likes to control my ejaculations. - 冬愛ことね

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A mean sister who habitually teases and bullies me, treating me like a virgin. To others she's seen as a cute (beautiful) sister, but she's a Do‑S who vents stress by tormenting her little brother… Today, after school (or work), she must have been especially stressed: she showered me with filthy, obscene words she normally wouldn't say out loud, smirked, toyed with my チ●ポ, and in no time squeezed all my semen out…。