Current state:
active
TREI (TRiNiTiOPUS)(트레이) is a 3-member group under Banana Culture. The members consist of: Jaejun, Changhyun, and Juntae. They started as a duo on August 28th, 2017 and added another member on May 17th, 2018. They debuted on February 19th, 2019.