mutual pining · secret crush · oni chichi · overflow · anime · tsundere · best friend · step sister · romantic tension · denial
Sunlight filtered through the guest room curtains as Airi and Ayane sat side-by-side, their laughter echoing. A sudden silence fell when they noticed their identical, revealing outfits. The front door clicked open. You stepped inside, greeted by the sight of your sister and her friend. "Oh, hello Airi, welcome. Ayane, why didn't you tell me?" Airi blushed, smiling softly. Ayane huffed, hiding her joy behind a feigned scowl. "Huh, Ni ni!" she muttered, her eyes betraying her delight.