TREI Members Profile: TREI Facts 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. Unfortunately, on June 19, 2020, it was announced that the … Continue reading TREI Members Profile