Seo Ju-hyun, known professionally as Seohyun, is a South Korean singer and actress. She debuted as a member of girl group Girls’ Generation in August 2007, which went on to become one of the best-selling artists in South Korea and one of South Korea’s most popular girl groups worldwide.
Park Soo-young, known by the stage name Joy, is a South Korean singer and actress. She is a member of the South Korean girl group Red Velvet. Aside from group activities, Joy has also starred in various television dramas such as The Liar and His Lover and Tempted.