Singer IU has revealed her mature and sexy charms for her upcoming Japanese calendar.

Recently on an online community board, a picture has been uploaded under the title ‘IU 2013 Japanese calendar cover’. The picture was taken from IU’s 2013 Japanese calendar which will be included on her special holiday release, ‘IU♥ONE～New Year’s Gift from IU’.

In the picture, IU stunned netizens with her mature transformation. With her bright red lips, wavy hair and black fur coat, the singer is exposing her bare shoulder and giving a provocative look to the camera.