At the age of 12, Yuri was one of Joshua closest friends next to Clive. Yuri was also known as a boy genius and a prodigy for the church's next head priest. He is weak and sometimes passive but has an excellent eye for observing the true nature of things. He has a very strong devotion to the god, Nirvath.

By the age of 19, Yuri quickly became a head priest of the Church State, Nirvadia. During the Natra civil war, Yuri on an assignment from the church met his childhood friend, Joshua. After crossing path with Joshua, Yuri was soon left questioning the wisdom of his god, Nirvath.