Cube Entertainment revealed the entire member photos of new 7member rookie group BTOB on March 19.

The ages of members ranged from 18 to 23 that showed one’s capability as entertainers.

The photos reveal Lee Chang Sub, Yook Sung Jae and Peniel Shin for the first time. The other four members Seo Eun Kwang, Lee Min Hyuk, Lim Hyun Sik, and Jung Il Hoon have made their first appearance through jTBC’s ‘I Live in Chungdam-dong.’

Cube Entertainment “BTOB is a group that will open a new chapter of dance genre with their emotional vocals and rap. Each of the members has excellent skills such as song writing, composing, and rap making.”

BTOB at the same time released a short teaser video leaving fans a good idea of what to expect from the group. There's a surprise appearance of A Pink's Chorong.

BTOB plans to release their music on March 21 along with a premium launch show at the same time.

Watch the teaser video below.