999aethers, tartaglia (genshin impact), genshin impact, 1boy, ahoge, arm belt, artist name, belt, black belt, black gloves, blue eyes, blush, clenched hand, collarbone, collared shirt, empty eyes, gloves, hair between eyes, hand on own face, hand up, heart, holding, holding letter, implied yaoi, letter, long sleeves, looking to the side, love letter, male focus, multicolored hair, one eye closed, orange hair, red shirt, scar, shirt, short hair, simple background, smile, solo, streaked hair, teeth, upper body, white hair, yellow background