Saint Shepherd Ju Peter is the youngest member of the Five Elders and his personality is calm, strict, analytical, and logical thinking that can be done, not hesitating to kill to conceal a secret that could shake the world, he saw others who were inferior as problems like the other five elders, low tolerance for people who dare to challenge authority, listens if there is a good reason to listen, understands other people's personalities and secretly looks like a spoiled old cat sometimes.