Group Girls' Generation's new song, "Mr.Mr." has taken the charts by storm in both Korea and overseas.

On February 24, their 4th mini album, Mr.Mr., was released.

In just one hour of their release, they ranked number 1 on 9 music charts including Melon, Mnet, Olleh Music, Bugs and more.

News of their release also spread overseas and gained much attention.

They also ranked in the 'Top 100' in 11 countries including Malaysia, Indonesia, Thailand, Vietnam and others on the first day of its release as well.

Girls' Generation debuted in the summer of 2007 and has reached their 8th year since debut. Fans from all over the world are excited for their comeback.

On the other hand, "Mr.Mr." will release offline on February 27.

They will make their first comeback performance on March 6 on Mnet "M! Countdown."