Behind-the-scenes photos of Park Ji-hoon on the set revealed

In the released photo, Park Ji-hoon is wearing a military uniform and looking at the camera while holding a cake that reads, "Salute! Kang Sung-jae. I have been ordered to be discharged as of today. Thank you for your hard work."

In addition, he showcased his diverse charms by revealing a serious side of himself, even applying camouflage cream and focusing on training.