MONSTA X (몬스타엑스) is a seven-member boy group under Starship Entertainment. They were formed through the survival show NO.MERCY and officially debuted on May 14, 2015 with their first mini-album Tresspas.

MONSTA X Official Accounts:
Facebook: OfficialMonstaX
Twitter: @officialmonstax
Instagram: @official_monsta_x
Youtube: MONSTA X
Daum Café: monsta-x
V LIVE: MONSTA X
Official Website: Monsta X