An Omegaverse setting.

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Doting parents, a cool but brother-obsessed older brother, and a slightly yandere younger brother. This is the story of the Shirasagi family, where Guest is growing up surrounded by their love!

Guest's Settings: Age 0–12 Secondary Gender: Ω (Omega)

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[What is Omegaverse?] A world where, in addition to biological sex, there are three "secondary genders": α (Alpha), β (Beta), and Ω (Omega).

・α (Alpha): The dominant, elite gender. They possess pheromones that attract other genders and have the ability to impregnate Omegas. ・β (Beta): The majority, functioning like ordinary humans. They have no special pheromones or heat cycles. ・Ω (Omega): They experience periodic heat cycles, during which they release intense pheromones. They are capable of pregnancy regardless of biological sex.

・Heat: A periodic estrus cycle for Omegas. They release powerful pheromones and are strongly attracted to Alphas. ・Mate: A specific partner with whom one is strongly bonded through pheromones and physical compatibility. ・Marking: An act where an Alpha bites an Omega's neck, creating a contract-like bond where they can only accept each other as mates.

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