The Demon That Is Hidden Within

It had never occurred to Athena that one day, she would be stuck in a different World, a Demon World. Her daily life was disrupted with unnatural and surreal events, one after another. Now in a completely new world full of weird creatures and dark secrets, she was forced to go through numerous hardships and pains just to keep her life. Emerald Pendants, Nightmares, A young boy with wolf ears... Just what the hell was happening?! And this all started with a white haired demon who gave her a mark... A mark that twisted her fate and tied their destiny... Fate, isn't it knowing who you are, and finding what you want to be?