Group BEAST member Yoseob revealed his muscles during his workout routine.

On March 24, he posted on his twitter, "Morning workout!" along with a photo.

In the photo, he is wearing a black muscle tank and is showing off his well toned muscles.

Internet users commented, "He is on top of his workout game" and "His face is like a baby while his body is manly."

On the other hand, he is currently playing the main role for the musical, 'Full House'.

BEAST is expected to make a comeback at the end of April this year. They are busy preparing a new album with the targeted date, along with their Japan promotion tour. BEAST is within its touring schedule that begain last January, and it will continue its Japan tour until the end of March, going through 7 different cities including Tokyo, Osaka, and Hiroshima, with 11 concerts scheduled.

The management company of BEAST, Cube Entertainment, said, "They are in the middle of their Japan promotion tour. The seats have been sold out since the beginning of the tour, and fans are asking for additional concerts. They have received many potential songs for the album, and already have begun to record."