1girl, ;), arknights, bikini, breasts, cleavage, copper_(copper038), hair_ornament, hair_rings, hand_up, head_tilt, horns, large_breasts, long_hair, long_sleeves, looking_at_viewer, navel, official_alternate_costume, one_eye_closed, purple_eyes, red_hair, side-tie_bikini_bottom, smile, solo, standing, star_(symbol), star_hair_ornament, stomach, surtr_(arknights), surtr_(colorful_wonderland)_(arknights), swimsuit, thigh_strap, thighs, v-shaped_eyebrows, very_long_hair, wading, water, white_background