Another artist will be temporarily leaving fans and entering the army this fall, and that's 4men's Kim Won Joo.

His company, TheVibe Entertainment told OSEN, "Kim Won Joo is planning to enter the army in mid-September, but the exact date has not been decided yet. After this month's album release, there will be a concert in August. After the concert is finished, the enlistment date will be finalized."

They added, "After Kim Won Joo enters the army, Shin Yong Jae will temporarily have solo activities."