1girl, bad_pixiv_id, bare_legs, bare_shoulders, blonde_hair, blue_eyes, breasts, choker, collarbone, covered_navel, eyewear_around_neck, goggles, goggles_around_neck, hair_between_eyes, hat, idol, idol_wars_z, large_breasts, leaning_back, long_hair, ocean, one-piece_swimsuit, open_mouth, outstretched_arms, ponytail, sky, smile, solo, surfboard, surfing, swimsuit, takatsukasa_mikoto, very_long_hair, water, waves