Overview

My older sister wakes me up in the morning with her tongue, stimulates my crotch under the table during meals, and even comes in the shower and gives me a hand job... It's a big nuisance! My sister, who is looking at it with cold eyes, is actually a sullen girl who is only masturbating in her room. I wonder what will happen to my life on the verge of explosion sandwiched between such an older sister and younger sister.

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