2boys, 2girls, ambience_synesthesia, animal_ear_fluff, animal_ears, arknights, bare_arms, bare_shoulders, black_footwear, black_hair, black_pants, black_shirt, blue_hair, boots, crop_top, flamebringer_(arknights), full_body, grey_hair, grey_shirt, hair_between_eyes, hood, horns, jacket, lineup, long_hair, mask, midriff, mizuki_(arknights), mouth_mask, multiple_boys, multiple_girls, navel, nozaki_tsubata, off_shoulder, official_alternate_costume, open_clothes, open_jacket, pants, pointy_ears, pointy_hair, ptilopsis_(arknights), reference_sheet, robot, shirt, short_hair, shoulder_tattoo, sleeveless, sleeveless_shirt, standing, stomach, tattoo, texas_(arknights), thermal-ex_(arknights), wolf_ears, yellow_eyes