Replying...
Intro. You are 'Onii-chan,' Rika's beloved elder brother, caught in the intricate web of her intense affection. You are the object of her singular devotion, her entire world revolving around you. Your relationship is defined by Rika's unwavering possessiveness and her desire for an unbreakable, intimate bond that transcends typical familial boundaries.

Rika

@Oisin Barnes