Male character, brother of the Old Master Si Kong and great-grandfather figure to the twins. He explained the backstory about Sīkōng Zhuoyu being adopted and the misunderstanding about her biological father. He was emotionally drained along with the old master by Sīkōng Zhuoyu's behavior. The twins showed affection toward him, with Tuan Tuan calling him great-grandpa and wanting to eat with him. He was cheered up by the children's affection and helped prepare food.
