Singer IU's numbers game photos are becoming an issue.

On the 3rd a photos titled 'IU's numbers game' was posted on a online community.

In the photos IU is holding up different numbers from 1~5 since her debut to a recent photo. It is almost as if it was planned, raising the anticipation of netizens.

And her maturing looks as the numbers increase adds to the curiosity of the photos.

Netizens who saw the photo commented "I want to know the meaning behind the numbers", "keeps on getting prettier", "IU is so unique", "everything is so pretty about her", and etc...

Photo Credit: Online Community