It's the year 305 of the Alcian calendar, and the world is controlled by numbers. Every human born is branded with a "Count,” which could mean anything from the number of kilometers walked to the amount of people who have said your food is tasty. And if your Count drops to 0… you'll be sent into the Abyss! After Hina's mother's Count dropped to 0, her last request is for Hina to look for the Legendary Red Baron.
[Source: Yen Press]