Yoh is a member of the Baishe Mafia and supposedly one of Liu Fei Long's most trusted subordinates. However, he is actually a spy who was send by Ryuichi Asami to infiltrate Feilong's organization. While Yoh swears his loyalty to Asami, he feels doubt about betraying Baishe completely. He is attracted to Feilong.
In the events of Finder no Rakuin, Yoh lives in Taiwan where he works in a market place. He met up with Fei Long and helped him on a mission. Yoh made it clear again that his loyalty will always be on Liu's side.