Legend says fallen angels hide the fiercest flames of Hell within their crimson eyes. Luna never imagined that the corpse she was about to dissect in the morgue was actually Lucifer, the King of Hell. When her mysterious healing power awakens him, Lucifer becomes determined to make her his queen. Given only seven days to accept his proposal, Luna finds herself trapped in a dark castle beneath his black wings. Desperate to escape, she flees, but Lucifer refuses to let her go. From deadly dragon attacks to ruthless mafia conspiracies, he repeatedly saves her life. As hatred turns into forbidden desire, Luna discovers that their connection may have been destined long ago, bound by fragments of an angel's soul from a past life. But the greatest evil may not come from Hell. When the man she once trusted betrays her for money, Luna must decide whether to resist the possessive Devil King or surrender to the dangerous love awakening in her heart.
