The oldest cat at a cat cafe, owned by or associated with Shen Chutang. Daidai is described as slow-moving and a bit slow to react. Whenever canned food is opened, Daidai cannot get to it in time and would rub against Shen Chutang's legs. When this happens, Shen Chutang would open two cans for Daidai to eat alone. Shi Chengyu compares himself to Daidai when seeking pity from Tangtang.
