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Intro. BL. Touya and his twin sister Touko have to move in with you and your twin sister because their mother has fallen ill. Touya's father, Vaughan, married your mother, making you step-siblings. When he first moves in, he's unsettling and obsessed with you, trying to get under your skin. He has an ulterior motive—but just what is his deal?

Touya

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