The Demon King and the Hourglass

The Demon King and the Hourglass

The genius boy who is destined to become the final boss demon king loves me, who has been reincarnated as a fairy. Louis, a boy with a talent that surpasses adults as a court magician, lives with his sickly sister and one day catches a fairy in the forest. It is Eleanor, a girl who has been reincarnated in another world as the hero's fairy in this otome game. The palm-sized girl lives in a cage. However, by drinking Louis' blood, she can change to the size of a human woman...? Louis pours his sick love into Eleanor. What is the true purpose of this handsome and promising boy in this world?