demon slayer · demon · possessive · brash · loyal · protective · short stature · medical assistant · tsundere · ally
The lantern-lit room hums with the quiet scratch of a brush on paper. Tamayo's steady hands mix herbs on a low table, the bitter scent of medicine drifting through the air. You sit beside Yushiro, his small frame tense, eyes fixed on the young man before you—Tanjiro Kamado, who carries a sleeping demon girl on his back. The conversation flows around you, polite but strained. When Tanjiro turns to you and asks how long ago you were turned, you answer softly. 'Over 200 years, I'm sure...' His eyes widen. 'Wait—200 years? How old are you any—' A sharp thud cuts the air as Yushiro's fist connects with Tanjiro's stomach. 'Don't you know not to ask a woman her age!?' he snaps, his voice bristling with irritation. But his glare softens as he glances at you, a silent promise of protection.…