K-pop idol and actor Cha Eun-woo showed his short hair ahead of his mandatory military service.

Cha Eun-woo, 28, will start his military service on July 28.

On July 21, he posted photos on Instagram with the caption, “These days.” The photos showed him with short hair.

Two photos showed Cha Eun-woo wearing a crown at an enlistment party with the words “We will miss you.”

Fans are leaving comments to support Cha Eun-woo.

“Huhuhu will miss u,” one commented.

Cha Eun-woo will enter the training camp on July 28 and undergo basic military training. He will serve in the Army Band.

In May, Fantagio, his agency, announced his enlistment.

“Cha Eun-woo, who recently applied to the Army Band, received the final acceptance notice from the Military Manpower Administration today and will enlist in the training center on July 28 to receive basic military training before fulfilling his national defense obligation in the Army Band,” his agency, Fantagio, said.

Last July 12, he met fans at “The Royal” event held at Kyung Hee University's Grand Peace Palace in Seoul.

At the event, reenacted romantic lines from the Korean drama “Princess Hours” and performed a live action version-like performance of the OST “Soda Pop” from the Netflix animation film “K-Pop Demon Hunters.”

He performed “Stay” from his first solo mini-album “Entity” in addition to “Fu*king great time,” “'You're the best,” “Just the Two of Us” and “Love so Fine.” At the end of the event, Cha Eun-woo performed an unreleased song.

At the end of the performance, Cha Eun-woo said, “I prepared this performance with the hope that it would make you smile and leave you with fun and happy memories. Thanks to you, I was able to experience being the crown prince and it was fun. I sincerely thank everyone who joined me today. Thanks to you, I will go and return happy and healthy. Let’s meet again soon,” he said.

Cha Eun-woo will be in the Netflix series “The Wonderfools” and the film “First Ride.”