1girl, arknights, arm_up, artistic_error, bare_legs, bare_shoulders, bikini, black_bikini, black_footwear, blush, breasts, cleavage, closed_mouth, criss-cross_halter, detached_sleeves, faldues_(gavin_b), full_body, full_moon, hair_ornament, hair_rings, halterneck, hand_in_own_hair, horns, knees_up, large_breasts, long_hair, long_sleeves, looking_at_viewer, moon, official_alternate_costume, purple_eyes, red_hair, sandals, sitting, solo, star_(symbol), star_hair_ornament, surtr_(arknights), surtr_(colorful_wonderland)_(arknights), swimsuit, swimsuit_cover-up, thigh_strap, very_long_hair, wrong_foot