1girl, bad_pixiv_id, belt, blue_archive, buttons, cropped_jacket, cropped_legs, double-breasted, flat_chest, garter_straps, greyscale, halo, high-waist_skirt, kona_ming, long_hair, long_sleeves, looking_at_viewer, monochrome, mutsuki_(blue_archive), neck_ribbon, outstretched_arms, ribbon, shirt_tucked_in, sketch, skirt, smile, solo, teeth, thigh_strap