1girl, arm_up, ass, bare_shoulders, barefoot, beach_chair, bikini, blue_sky, breasts, cleavage, collarbone, crossed_legs, earrings, english_text, eyewear_on_head, feet, foot_focus, hair_between_eyes, halterneck, happy_birthday, heart, heart-shaped_eyewear, heart_earrings, heart_necklace, heterochromia, hololive, houshou_marine, houshou_marine_(summer), jewelry, large_breasts, long_hair, looking_at_viewer, midriff, navel, necklace, ocean, official_alternate_costume, official_alternate_hair_length, official_alternate_hairstyle, red_bikini, red_eyes, red_hair, sidelocks, sitting, sky, smile, soles, string_bikini, sunglasses, sunlight, swimsuit, toes, twintails, underboob, v, very_long_hair, virtual_youtuber, water, yellow_eyes, yeoneotail