Lee Jinhyuk visited Music Bank to cheer for the group's up-tenancy.

On Aug. 23, Lee Jinhyuk released a friendly certification photo with UP10TION members on his Instagram account.

On the same day, Lee Jinhyuk made a surprise visit to the waiting room of UP10TION, where he is preparing for the comeback stage of KBS 2TV's "Music Bank," and had a good time with the members and cheered for his comeback. Also, Lee Jinhyuk drew attention by adding a hashtag, "I've watched it," with the words "Here's cheering! You should do well."

UP10TION, which made a comeback with its new mini-album "The Moment of Illusion" on Tuesday, has drawn keen attention as it heralded brisk activities with the title track "Your Gravity."

As Lee Jinhyuk, who was not able to join the group, visited Music Bank to cheer for UP10TION, he showed strong friendship and predicted other active activities, and expectations are mounting for Lee Jinhyuk to see what new looks to come.