Haechansjei has 1 TWICE concert.

TWICE is a South Korean girl group formed by JYP Entertainment through the 2015 reality show "Sixteen." Officially debuting on October 20, 2015, with their hit single "Like OOH-AHH," they quickly gained popularity, cementing their status with catchy tunes like "Cheer Up" and "TT." The nonet—consisting of nine members: Nayeon, Jeongyeon, Momo, Sana, Jihyo, Mina, Dahyun, Chaeyoung, and Tzuyu—stands out for their vibrant, diverse concepts and earworm melodies that resonate globally. Throughout its career, TWICE has released several chart-topping albums for the Korean and Japanese markets. albums. The former include "Twicetagram" (2017), "Eyes Wide Open" (2020), and "Formula of Love: O+T=<3" (2021) while the latter include "BDZ" (2018), "&Twice" (2019), "Perfect World" (2021), "Celebrate" (2023). All charted within the top 2 in their respective countries. With a strong international following, TWICE has contributed significantly to the K-Pop movement.