1girl, a1, bra, breasts, carmel-sensei, cleavage, cup, holding, holding_cup, holding_shower_head, long_hair, looking_at_viewer, medium_breasts, navel, open_mouth, panties, pink_bra, pink_panties, shower_head, smile, solo, standing, tatasen, teeth, underwear, underwear_only, upper_teeth_only