ONEWE is a South Korean alternative rock band composed of five members: Yonghoon, Harin, Kanghyun, Dongmyeong and Giuk (formerly known as CyA). The members originally formed under the name M.A.S 0094 (Make a Sound 0094). They released their first digital single “Butterfly, Find a Flower” on August 13, 2015 under Modern Music. In April 2017, they moved to RBW and were renamed MAS. In June 2018, it was announced that the band would redebut under the new band name, ONEWE. The band officially made its re-debut on May 13, 2019 with their first single album 1/4.