It Became the Cursed Grand Duke’s Sleeping Potion

> “Starting today, your duty will be to attend me at night.”

She thought she was just one of countless ordinary swindlers, but with only a few lines of her song, the eyes of Grand Duke Rafareon—the man known as the King of Demonic Beasts—gently closed.

> “As the curtain of night falls across the sky,

a warm light begins its sweet song.”

An inexplicable sense of peace.

The miracle of nightmares disappearing.

And, for the first time in his life, an overwhelming possessiveness toward someone.

> “I really want to shower you with everything I have.”

Night after night, as he falls into a sweet slumber, the Grand Duke gradually awakens to a deep love and dangerous obsession.

A heart-fluttering bedtime romance between a Grand Duke and the woman who brings him peaceful sleep.