1boy, alternate costume, aoppoi oto, bangs, black vest, book, border, closed mouth, crystal, cyno (genshin impact), fingernails, gem, genshin impact, gold, green gemstone, green jacket, grey hair, hair between eyes, hair over one eye, hand up, hands up, holding, holding book, jacket, jewelry, long fingernails, long hair, long sleeves, looking at viewer, looking to the side, male focus, mandarin collar, no headwear, open clothes, open jacket, outside border, red eyes, shirt, sidelocks, solo, standing, striped, striped shirt, v-shaped eyebrows, vest, white border, white shirt, wide sleeves