Awaken: Sleeping Beauty Retold

A sleeping beauty. A kingdom frozen in time. Only one can save them all.
Once upon a time...
Lord Siward intended to go hunting, but when he stumbles upon a ruined castle and accidentally wakes the mysterious maiden sleeping inside, he knows his holiday is over.
With the kingdom in trouble, Siward should be protecting the realm, but every time Rosamond looks at him, he gets lost in the girl's green eyes. Who is the mysterious beauty, and why does he feel she holds the key to the kingdom's deliverance?