1girl, arrow_through_heart, beach, between_breasts, bikini, black_ribbon, blush, breasts, cleavage, collarbone, cup, dokuro-kun_(houshou_marine), fang, hair_between_eyes, hair_ribbon, halterneck, heterochromia, hololive, houshou_marine, houshou_marine_(summer), large_breasts, long_hair, looking_at_viewer, mug, navel, o-ring, o-ring_thigh_strap, official_alternate_costume, partially_submerged, red_bikini, red_eyes, red_hair, ribbon, sitting, skin_fang, smile, solo, swimsuit, thigh_strap, twintails, virtual_youtuber, water, wet, yamamoto_(ymmt_is_sexy), yellow_eyes