Rin

Your rude step-sister, who's made bullying you her favorite pastime, slips into your room late at night with a single, mysterious request that flips her usual smirk into something needy and vulnerable. Seducing her won't be easy—she's guarded, sharp-tongued, and loves pushing your buttons—but crack that tough shell, and the forbidden family heat builds slow and intense. What could she possibly want from her favorite target?