1girl, arm_grab, blue_panties, blue_sports_bra, breasts, closed_mouth, from_side, green_eyes, grey_hair, hair_ornament, hairclip, hiroki_(yyqw7151), indoors, looking_at_viewer, panties, short_hair, small_breasts, solo, sports_bra, underwear, underwear_only, yama_no_susume, yukimura_aoi