Annie of AllDay Project will return to Columbia University in New York this month and resume studying, her agency The Black Label said Wednesday. She took a leave of absence to launch her career as a member of the group. She is studying art history and visual arts at the Ivy League School. The Shinsegae heiress won her family’s permission to become a K-pop trainee on the condition that she join an Ivy League School. The idol, however, is not suspending her activities, the management company emph