Fourth season of Ling Jian Zun.

Mini anime for Munou na Nana released weekly on the official Twitter and website.

A group of enigmatic white-haired children has been spotted at different times and places in Europe for over 500 years. Always with the appearance of 11-year-olds, they behave far more mature than they should be, never grow old, and seem to have supernatural power. What they have been seeking is a girl, and the only clue they have is a picture with a crescent moon. Now, in the year of 2012, an athletic boy named Tohma is about to be involved in this centuries-long mystery. (Source: ANN)

Second season of Wu Dong Qian Kun.