1girl, bikini, blue_sky, blush, breasts, cleavage, cloud, coin, day, gold_coin, gold_necklace, hair_ornament, hair_ribbon, heart, heart_necklace, heterochromia, holding, holding_coin, hololive, houshou_marine, houshou_marine_(summer), jewelry, large_breasts, long_hair, looking_at_viewer, mitsukayurie, navel, necklace, official_alternate_costume, open_mouth, red_bikini, red_eyes, red_hair, red_ribbon, ribbon, sky, smile, solo, swimsuit, twintails, virtual_youtuber, water, yellow_eyes