youbi (0ver sd), koharu (blue archive), blue archive, 1girl, bag, beret, black hat, black shirt, black wings, blush, collarbone, cropped legs, feathered wings, flower, hair flower, hair ornament, halo, hat, head wings, long hair, long sleeves, looking at viewer, low wings, neckerchief, off shoulder, open mouth, pink eyes, pink hair, pink neckerchief, pleated skirt, purple skirt, red flower, sailor collar, school uniform, shirt, simple background, single bare shoulder, skirt, sleeves past fingers, sleeves past wrists, solo, speech bubble, sweat, twintails, white background, white sailor collar, wings