1girl, beret, blue_archive, blush, bra, bra_peek, bra_strap, chitan_(pubis_22), choker, closed_mouth, collarbone, feathered_wings, flat_chest, greyscale, hand_up, hat, head_wings, koharu_(blue_archive), long_hair, long_sleeves, looking_at_viewer, monochrome, playing_with_own_hair, raised_eyebrows, sailor_collar, school_uniform, serafuku, shirt, sidelocks, simple_background, solo, split_mouth, twintails, underwear, upper_body, white_background, wings