Why am i a wolf princess (D.O fanfic)

Hi there I am still upgrading fell in love first time but I just am busy a lot now a days so plz accept apology. I made another book for you.

Ah Re In is Kris (Wu Yi Fan) sister a wolf princess but he is just a wolf no prince just wolf.

Every full moon she can't control powers and hair turns white. Luhan and Lay only knows plus kris. But it is hard hiding secret till December 25 Christmas and Ah Re In's 18th birthday. Can she hide it?