3: ahoge beach bikini black_bikini blue_sky blush breasts cellphone closed_mouth cloud cloudy_sky day hair_ornament hairclip halter_top halterneck holding holding_phone legs_together long_hair looking_at_viewer medium_breasts mizuki-chan_(sasahara_wakaba) ocean original outdoors palm_tree phone purple_eyes sasahara_wakaba side-tie_bikini sidelocks sitting sky smartphone solo swimsuit tree v-shaped_eyebrows white_hair