Jay doesn't know. He will realize that Yoo Han is the one when he wore a bear suit entering his office to prank him. He was shocked!!! He recognized him by Yoo Han's voice over the mascot. ***SPOILER***
Jay doesn't know. He will realize that Yoo Han is the one when he wore a bear suit entering his office to prank him. He was shocked!!! He recognized him by Yoo Han's voice over the mascot. ***SPOILER***