1girl, arknights, ass_visible_through_thighs, bare_shoulders, bikini, black_ribbon, blush, bow, breasts, cleavage, closed_mouth, collarbone, criss-cross_halter, dated, day, detached_sleeves, hair_ornament, halterneck, head_tilt, horns, large_breasts, long_hair, long_sleeves, looking_at_viewer, mountainous_horizon, navel, official_alternate_costume, outdoors, purple_eyes, red_hair, ribbon, side-tie_bikini_bottom, signature, smile, solo, standing, star_(symbol), star_hair_ornament, surtr_(arknights), surtr_(colorful_wonderland)_(arknights), swimsuit, swimsuit_cover-up, thigh_gap, thigh_strap, unique_(pixiv12704744), very_long_hair, wading, water, white_bow