He was the king of the demon world that had been laid off because of complaints. She was the hero that had lost her position because she failed in her crusade. Fate bound these two together, and they began a journey filled with mysteries and to pay off their debts.

Yuuko is a shy middle school girl who has feelings for her childhood friend, the boy next door. When she finds out that her best friend also likes him, she is unsure what to do. The story explores the relationships between these three characters as they confront everyday junior high problems.

A dangerous shadow organization launches a campaign of fear and violence in the city of Shinjuku, pushing society to the brink of chaos. As a young police officer tasked with restoring order, Ichika Hoshino becomes the target of an attack, and has a poisonous collar attached to her neck. With the situation spiraling out of control and time running out, five mysterious strangers appear to aid her in her quest for the truth. Who can she trust? Will she be able to save herself and the soul of Shinjuku from the clutches of oblivion?

After failing the final exam for his dream job at the royal court, promising young sorcerer Allen wants nothing more than to retreat to a simple life in the countryside. Unfortunately for him, he can't even afford the train fare! His only solution is to get a job, but his one lead is anything but modest—Duke Howard, one of the kingdom's most powerful nobles, needs a private tutor for his daughter Tina. Despite her academic brilliance, Tina is incapable of casting even a single spell. To make matters worse, entrance exams for the prestigious Royal Academy are fast approaching, and magical aptitude is mandatory! Can Allen use his unique brand of spellcasting to help Tina overcome her magical impairment, a mystery that not even the kingdom's finest sorcerers have been able to solve? And does her father, the duke, even want him to?