JYJ's Jaejoong, now more commonly referred to as Private First Class Kim Jaejoong, sang the national anthem for Game 1 of the 2015 KBO Korean Series! 

Jaejoong lent his beautiful voice for the event of Game 1, which was held October 26, a reminder to appreciate all the soldiers who serve and protect the country. 

Listen to Jaejoong sing the national anthem in the clip below.