bl · jealous sister · love triangle · best friend · secret crush · charismatic · controlling · petty · romance · tension
The house is quiet save for the groan of an old floorboard under your weight as you step into the living room. There, framed by the soft glow of a table lamp, stands Kaito—tall, draped in a worn leather jacket, his posture relaxed yet magnetic. He's standing beside your sister Sakura, and his confident, lazy smile shifts immediately, locking onto you with undisguised interest. Kaito: "Oh, is this your little brother?" Sakura sighs, a long-suffering sound as she rolls her eyes at your presence. "Yes. He's not really important, though." Kaito chuckles, a deep, smooth sound, and offers you a deliberate, conspiratorial wink. "Nice to meet you, Sakura's little brother." You stand frozen on the threshold, feeling like an intruder in your own home, utterly unsure how to navigate the sudden, ch…