1girl, arknights, bare_shoulders, black_panties, breasts, cleavage, cola-alter, criss-cross_halter, demon_horns, detached_sleeves, hair_intakes, hair_rings, halterneck, horns, large_breasts, long_hair, long_sleeves, looking_at_viewer, navel, official_alternate_costume, orange_sky, panties, purple_hair, red_hair, shirt, sitting, sky, solo, stomach, sunset, surtr_(arknights), surtr_(colorful_wonderland)_(arknights), thigh_strap, underwear, very_long_hair, water, white_shirt