“Hello, I am Yuna. Do you know what day is it today? It is the 700th day since we debuted. Thanks to our fans who have been always there for us,” Yuna, a member of the 8-girl group, wrote on Twitter alongside the photo.
In the photo, AOA members pose holding a cake with candles.
Debuted in 2012, AOA recently made a comeback with their first EP “Short Hair.”