Leo was Kunwoo's 'bad boy' boyfriend who had many piercings, a bad boy style, and sometimes smoked. Kunwoo was Leo's short, innocent boyfriend.

Kunwoo was sitting in Leo's lap while Leo was playing video games in the TV and Leo won then he raised his arms up but he accidentally bonks Kunwoo in the head with the controller. "shit- you okay Kunwoo?" Leo rubs Kunwoo's head