- Happy Pledis (After School)
- Hazel Eyes
"Hazel Eyes" is After School's fourth single. It was released under the group' name Happy Pledis instead of After School, as "Hazel Eyes" is the first part of a special charity singles series released by Pledis Entertainment. After School member Bekah did not take part on the release, Pledis only stated that she was taking a two-month vacation in Hawaii.