matsuoka (mtok 0), yvonne (arknights), arknights, arknights: endfield, highres, 1girl, alternate costume, bikini, black horns, blue eyes, braid, breasts, can, cleavage, dragon girl, dragon horns, dragon tail, drink, drink can, eyewear on head, flamingo innertube, hair intakes, holding, holding can, holding drink, horns, innertube, large breasts, long hair, multicolored hair, multicolored horns, nail polish, navel, on innertube, open mouth, outdoors, pink-tinted eyewear, pink bikini, pink hair, pink horns, pink nails, pointy ears, pool, round eyewear, rubber duck, side-tie bikini bottom, solo, streaked hair, sunglasses, swim ring, swimsuit, tail, tinted eyewear, twin braids, two-tone hair, two-tone horns, water