1girl, arknights, babydoll, bare_shoulders, bikini, breasts, cleavage, detached_sleeves, ergouzi_echo, flower, hair_rings, hammock, hand_up, horns, large_breasts, long_sleeves, navel, pink_flower, purple_eyes, red_hair, sitting, solo, stomach, surtr_(arknights), surtr_(colorful_wonderland)_(arknights), swimsuit, thigh_strap, thighs, water