1girl, arona_(blue_archive), bikini, bikini_under_clothes, black_bikini, black_jacket, blue_archive, blue_eyes, blue_hair, bow_hairband, clothes_lift, collarbone, desk, frilled_bikini, frills, hair_over_one_eye, hairband, halo, indoors, jacket, kuwa_za, lifted_by_self, looking_at_viewer, multicolored_hair, navel, off_shoulder, on_desk, open_mouth, pink_hair, pleated_skirt, school_desk, short_hair, sitting, sitting_on_desk, skirt, skirt_lift, smile, solo, stomach, swimsuit, two-tone_hair, white_hairband