1girl, arknights, arm_behind_head, arm_up, armpits, bare_shoulders, bikini, black_bikini, black_choker, breasts, center_opening, choker, cleavage, criss-cross_halter, demon_horns, detached_sleeves, front-tie_top, hair_intakes, hair_ornament, hair_rings, halterneck, horns, ildanbaggobwa, large_breasts, leaning_forward, long_hair, long_sleeves, looking_at_viewer, navel, official_alternate_costume, one_eye_closed, purple_eyes, red_hair, side-tie_bikini_bottom, solo, standing, star_(symbol), star_hair_ornament, stomach, string_bikini, surtr_(arknights), surtr_(colorful_wonderland)_(arknights), swimsuit, thigh_strap, thighs, tongue, tongue_out, torn_clothes, torn_sleeves, very_long_hair, white_bikini