Is there Yue Luo Qi in "Unintentional Master 2"? Are Yue and Ding the same person?

Yes, Yue in Master Unintentional 1 and Xiaoding Cat in Master Unintentional 2 are both performed by one person, because at the end of Master Unintentional 1, Yue was inadvertently put into the cave of Zhutou Mountain, and the cave is where Xiaoding Cat feasts. He swallowed Yue and Yue entered his body.