How-old.net is an app that can work out your real age and gender from a photo. As you can imagine its accuracy is spot on! [Insert sarcastic smirk emoji]
The results are pretty funny... until you put your own photo in. *ugly cries*
Here's how things played out for some of your Asian pop star biases. Test it out yourself here... if you dare!
Attack on Titan's Levi
Alexandros' Kawakami Yoohei
Kyary Pamyu Pamyu
Black Butler's Sebastian