1girl, arknights, armpits, arms_up, bikini, black_bikini, black_ribbon, breasts, burnt_clothes, cleavage, criss-cross_halter, detached_sleeves, from_above, hair_ornament, hair_rings, halterneck, horns, long_hair, long_sleeves, looking_at_viewer, lying, navel, official_alternate_costume, on_back, papapapaqiang, parted_lips, photoshop_(medium), purple_eyes, red_hair, ribbon, shallow_water, side-tie_bikini_bottom, smile, solo, star_(symbol), star_hair_ornament, stomach, surtr_(arknights), surtr_(colorful_wonderland)_(arknights), swimsuit, swimsuit_cover-up, thigh_gap, very_long_hair, water