BTOB sub-unit BTOB 4U to release their first mini album "INSIDE" November 16th and make their official debut.

The mini-album "INSIDE" sheds light on the unexpected charms hidden inside BTOB 4U, and is an album that captures both freshness and perfection in a different way from the group BTOB.

The title track "Show Your Love" is a Moombahton dance song with a hopeful message to love each other even in difficult times. Im Hyun-sik, a member of BTOB who has created numerous masterpieces such as "Missing You," "Only One For Me," and "Beautiful Pain," participated in the writing, composition and arranging of the song, heralding the birth of another masterpiece, further exciting international fans alike.