:d ;3 ahoge arm_up bare_arms bare_shoulders bikini blue_bikini blue_hair blue_ribbon blue_sky blush breasts cleavage closed_mouth cloud cloudy_sky collarbone commentary_request day hair_ribbon hand_on_another's_waist horizon kotonoha_akane kotonoha_aoi kyuukon_(qkonsan) long_hair looking_at_viewer medium_breasts multiple_girls navel ocean one_eye_closed open_mouth outdoors pink_bikini pink_eyes pink_hair red_eyes red_ribbon ribbon siblings sisters sky smile swimsuit v very_long_hair voiceroid wading water