Girls' Generation's fan club 'Sisters' congratulated member Hyoyeon's 24th birthday through newspaper advertisements.

In celebration of Hyoyeon's birthday, 'Sisters' not only printed newspaper advertisements but also volunteered at convalescent homes and donated to children's organizations under the name of Hyoyeon. 

Sisters' volunteer leader Kim Ji Hoon stated, "The Taiwan fan website sent us donations for Girls' Generation's 4th year debut anniversary. We used it to donate for Hyoyeon's birthday."