ch'en (arknights), optimus prime, optimus prime (kotobukiya bishoujo), arknights, kotobukiya bishoujo, transformers, absurdres, chinese commentary, commentary request, highres, 2girls, annoyed, arm under breasts, artist name, autobot, belt, black jacket, blue belt, blue gloves, blue hair, cowboy shot, crop top, cropped jacket, eyewear on head, gloves, hair between eyes, hair bun, horns, jacket, look-alike, looking at viewer, lungmen guard department logo, midriff, multiple girls, navel, necktie, orthomethy, red eyes, red jacket, shirt, shorts, smile, strapless, tail, tube top, white shirt, white tube top, yellow necktie