Secret Prince, Instant Daddy!

David discovers a woman asleep in his bed after a long night of festivities. When he wakes her, he learns that her name is Ayme, and she's searching for the mysterious father of her sister's baby-Prince Darius of Ambria, who was exiled during a rebellion. It's strange that she's bringing up the royal family of Ambria, who have faded from the memories of most, and stranger still that Darius is David''s second name...Should David reveal his true self to her?