1girl, bikini, breasts, brown_eyes, brown_hair, chestnut_mouth, cleavage, cowboy_shot, front-tie_bikini_top, front-tie_top, happy_birthday, isshiki_iroha, jksfs, looking_at_viewer, medium_breasts, medium_hair, navel, open_mouth, orange_bikini, side-tie_bikini_bottom, solo, swimsuit, teeth, upper_teeth_only, yahari_ore_no_seishun_lovecome_wa_machigatteiru.