1girl, bikini, blush, breasts, cleavage, closed_mouth, collarbone, hair_between_eyes, hair_ribbon, jewelry, long_hair, looking_at_viewer, low_twintails, medium_breasts, necklace, nijisanji, partially_submerged, pink_bikini, pink_eyes, pink_hair, plaid, plaid_bikini, red_ribbon, ribbon, shiina_yuika, shiina_yuika_(6th_costume), smile, solo, swimsuit, twintails, upper_body, virtual_youtuber, water, wet, wet_clothes, wet_hair, wet_swimsuit, yuuri_nayuta