1girl, anklet, arknights, bare_shoulders, barefoot, beach, bikini, black_bikini, black_footwear, black_ribbon, breasts, cleavage, closed_mouth, cup, detached_sleeves, food, holding, holding_shoes, horns, ice_cream, jewelry, knees_up, large_breasts, long_hair, long_sleeves, looking_at_viewer, ocean, official_alternate_costume, on_ground, outdoors, petals, purple_eyes, red_hair, ribbon, sandals, shoes, side-tie_bikini_bottom, single_shoe, sitting, solo, surtr_(arknights), surtr_(colorful_wonderland)_(arknights), swimsuit, swimsuit_cover-up, thigh_strap, very_long_hair, water, zzz_zhi_he