Guest Stars Ryu Abel as Han Yoo Na Yoon Hyun Soo as Choi Yul Cho Jin Se as Song Woo Taek Lee Seo El as Yoon Chae Ah Yoo Seung Mok as Vice Principal Kim Yi Kyung as Min Ji A Jung Young Joo as Shin Mi Sun Kim Hong Pyo as Han Pan Dong Kim Min Suk as Kang Eun Hwan Lee Seung Joon as Oh Sang Soo
