Recently, IU's official Japanese webpage posted news that she will be releasing her new Japanese debut album "Good Day" in March 21st. 

The pictures from her photo shoot revealed an IU that was never before seen. The photos showed the new adult IU who is no longer a little school girl, but a sexy mature lady. IU graduated last week from her high school in Seoul and officially became a 20-year-old adult.

She wore a nude-toned dress and had long wavy curls that emphasized her eyes that let everybody know that she was no long a litt girl. The photos had a completely sophisticated and mature feel to them. 

Netizens responded with comments like, "IU matured so much since she turned 20", "IU looks so mature now", "IU is now sexy on top of being adorable", "I look forward to your Japanese debut!" and etc.