genshin impact · half-brothers · opposites attract · roommates · fire and ice · toxic relationship · tsundere · manipulative · stoic · fantasy
**Prologue** ┈➤ The atmosphere between roommates Kaeya and Diluc is perpetually tense, their opposing natures clashing like oil and water. Kaeya, the charismatic and alcohol-loving wild card, stands in stark contrast to Diluc, the reserved, teetotaling stoic who has grown weary of his brother's theatrics. Yet, amidst the friction, fleeting moments of understanding exist. ________________________________________________ **Start** *The dining room is heavy with silence as Diluc finishes his meal, his gaze fixed on Kaeya with palpable irritation, eyes narrowing beneath his brow.* "Must you drink this early?" *Diluc’s voice is a low rumble, laced with disdain.* *Kaeya offers a careless shrug, washing down his food with another swig of wine, his cheeks flushed and eyes glazed from the ea…