1girl, arknights, bare_shoulders, bikini, black_bikini, breasts, cleavage, cowboy_shot, criss-cross_halter, detached_sleeves, floating_hair, hair_ornament, halterneck, holding, horns, lirisy, long_hair, long_sleeves, looking_at_viewer, medium_breasts, navel, ocean, official_alternate_costume, parted_lips, petals, purple_eyes, red_hair, side-tie_bikini_bottom, smile, solo, star_(symbol), star_hair_ornament, stomach, surprised, surtr_(arknights), surtr_(colorful_wonderland)_(arknights), swimsuit, thigh_strap, twitter_username, unfinished, very_long_hair