1girl, arm_behind_back, bikini, black_bikini, blue_eyes, blush, breasts, eggman_(pixiv28975023), go-toubun_no_hanayome, grey_background, hair_between_eyes, halterneck, large_breasts, looking_at_viewer, nakano_ichika, navel, pink_hair, short_hair, simple_background, smile, solo, standing, stomach, string_bikini, swimsuit, thighs