1girl, 547th_sy, blue_one-piece_swimsuit, breasts, cleavage, competition_swimsuit, covered_navel, dated, green_hair, happy_birthday, highleg, highleg_swimsuit, large_breasts, muv-luv, one-piece_swimsuit, open_mouth, ponytail, sitting, solo, swimsuit, takahara_moeka, wariza, yellow_eyes