This is a story about a woman who works for the Narita Airport Ground Handling Services. She’s always complaining and is unable to find any sense of purpose in her job, until a commotion her family causes at the airport helps her recall the importance of gratitude.

Mifuyu is a high school student living with a large collection of books left by her great-grandfather―the vast library known as Mikura Hall. Although her father is the current caretaker, Mifuyu herself doesn't share her family's passion for literature.  But when several books are stolen from the library, triggering an ancient curse, the town is transformed according to the various stories―and the only way to put things right is for Mifuyu to catch the thief. With the help of a mysterious girl named Mashiro, Mifuyu sets out on an adventure through the different story worlds!

In a Japan where humans and demons co-exist peacefully, Yuzu is an ordinary high school girl who lives in the shadow of her older sister, who is the bride of a demon. One day, she has a life-changing encounter with a beautiful ogre who claims her as his bride.