Heo Ga Yoon, better known as Gayoon, is a South Korean singer and actress. She is a former member of South Korean girl group, 4Minute, and its sub-unit 2Yoon. In February 10, 2020, she signed with Yuleum Entertainment as actress. On January 12, 2021 she signed with Management Redwoods. (Source: Wikipedia) Watch drama online for free.