Yoon Ji Sung is heading to the military. 

On April 25, Yoon Ji Sung announced his enlistment via his official fan cafe. He stated, "I am scheduled to enlist on May 14... I'm sorry to Babals for the frequent farewells this year."

The idol encouraged his fans to not worry and promised he'll be back healthily. He stated, "We have way more days to meet~ Let's talk more at my fan meeting. I'm sorry I had to deliver this news before my album release. But I wanted to share it with Babals first. Let's meet again tomorrow. Thank you. Always." 

Yoon Ji Sung is releasing his special solo album 'Dear Diary' on April 25.