1girl, d, antenna_hair, arm_up, bikini, black_bikini, black_hair, black_shorts, breasts, hashi, idolmaster, kikuchi_makoto, looking_at_viewer, medium_breasts, navel, ocean, open_mouth, parted_bangs, purple_eyes, short_hair, short_shorts, shorts, smile, solo, splashing, stomach, striped, striped_bikini, swimsuit, wading, water