On February 13, Lee Hyun Woo uploaded photos on his social media account that showed his preparation for the mandatory military service in Korea.
![Lee Hyun Woo](http://img.sbs.co.kr/newimg/news/20180214/201149104_1280.jpg)
He is glaring at the camera with slight smile, and with short hair, his features are highlighted.
![Lee Hyun Woo](http://img.sbs.co.kr/newimg/news/20180214/201149105_1280.jpg)
In Korean, it is written as "Come back safely", which indicates his leave for the army.
Lee Hyun Woo plans to join the recruit training center of the advance army on February 19.
![Lee Hyun Woo](http://img.sbs.co.kr/newimg/news/20180214/201149111_1280.jpg)
Lee Hyun Woo said, "I will improve myself more and give you guys good power, so please look forward to it. I will be back as a better person."
![Lee Hyun Woo](http://img.sbs.co.kr/newimg/news/20180214/201149106_1280.jpg)
(Credit= SBS funE, 'contenty_official' 'hihyunwoo' Instagram)
(SBS Star)