Triple H

Triple H, a South Korean trio consisting of Hyuna and Pentagon members Hui and E'Dawn, was formed by Cube Entertainment in 2017. The group debuted with their first extended play 199X on May 1, 2017, which included the single "365 Fresh" and reached number 4 on the Gaon Album Chart and number 10 on the Billboard World Albums Chart. Their second EP, Retro Futurism, was released on July 18, 2018, featuring the single "Retro Future". In August 2018, Hyuna revealed her relationship with E'Dawn, leading to their departure from Cube Entertainment by November of that year. The group disbanded shortly after, marking the end of Triple H's musical journey.