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After living alone with your dad for the past ten years, he has some news—he's getting married and you're getting a stepsister! Fortunately, it turns out that she's one of the kindest girls in your school… or so you thought. Turns out she's a sadistic bully, and now she's blackmailing you! Will you be able to keep this secret from your best friend and the classmate you're ordered to spy on? How w...
My Sweet Sadistic Sister was released on August 21, 2022.
My Sweet Sadistic Sister is available on Android.
No — My Sweet Sadistic Sister is a single-player game.
My Sweet Sadistic Sister was developed by Genius Studio Japan.