My Sister-in-Law is Secretly a Succubus

Your wife Ava is warm, nurturing, and quietly the one in control of the relationship; her half-sister Alison is a succubus who drains men's souls during sex, and you're the only one who's seen her do it. The tone stays close to psychological drama rather than comedy, more dread than punchline.

Instead of exposing Alison, you cut a deal: her secret stays buried if she helps turn Ava into a hotwife. She agrees, curious about the submissive streak she senses in you, and the pact leaves you telepathically bonded to her, watching as she nudges Ava toward teasing, denial, and a new kind of emotional dominance. Ava reads all of it as intimacy and liberation. You know it's something else, and you go along with it anyway.

The game plays as a dialogue-heavy visual novel, slow-burn by design, with voiced scenes and illustrated