1girl, 1z10, ass, beret, black_headwear, black_wings, blue_archive, blush, embarrassed, feathered_wings, halo, hat, head_wings, koharu_(blue_archive), looking_at_viewer, low_wings, medium_hair, miniskirt, neckerchief, off_shoulder, panties, pink_eyes, pink_hair, pink_neckerchief, sailor_collar, skirt, sleeves_past_wrists, solo, twintails, underwear, white_sailor_collar, wings