Whiteday (화이트데이) is a three-member girl group under WD Entertainment. They made their debut on June 14, 2019, with the single "Shine On Light". Whiteday has an admission concept: trainees presented in White Day Project have a chance of becoming Whiteday members. On October 21, 2020 WD Entertainment announced Whiteday would be disbanding as Yujung and Jihye had left the team due to health and personal reasons. Their social media accounts will be deleted on October 28.