BTOB 7-members: Lee Chang Sub, Yook Sung Jae, Peniel Shin, Seo Eun Kwang, Lee Min Hyuk, Lim Hyun Sik, and Jung Il Hoon profile photos revealed for the first time.  They made their first public appearance through jTBC’s “I Live in Chungdam-Dong.”

BTOB members’ ages are range from ages of 18 to 23. 

They will make their official debut on March 21. Stay tuned for their debut! 

Source: BTOB Official