1girl, arknights, bare_shoulders, binware, black_hair, black_one-piece_swimsuit, blacknight_(arknights), blacknight_(summer_flower)_(arknights), blue_hair, blush, brown_eyes, casual_one-piece_swimsuit, closed_mouth, elbow_gloves, feet_out_of_frame, from_side, gloves, horns, knees_up, long_hair, looking_at_viewer, looking_to_the_side, multicolored_hair, official_alternate_costume, one-piece_swimsuit, pointy_ears, sitting, smile, solo, swimsuit, two-tone_hair, very_long_hair, white_gloves