1girl, black_shirt, black_wings, blue_archive, blush, bra, bra_strap, buttons, closed_mouth, collarbone, feathered_wings, gradient_background, grey_background, halo, hand_to_own_mouth, hand_up, happy, head_wings, koharu_(blue_archive), long_sleeves, looking_down, medium_hair, miniskirt, neckerchief, nose_blush, nyaivie, off_shoulder, pink_eyes, pink_hair, pink_neckerchief, pleated_skirt, purple_skirt, raised_eyebrows, sailor_collar, school_uniform, serafuku, shirt, sidelocks, simple_background, single_bare_shoulder, skirt, smile, solo, split_mouth, sweat, twintails, underwear, white_bra, white_sailor_collar, wings