In the year 2024, the world has collapsed. Grotesque monsters lurk amongst the ruins of Japan, while remaining people scrape together what they can to survive. Kiruko, an odd-job girl in Nakano, accepts a mysterious woman's dying wish to take a boy named Maru to a place called Heaven. Maru is convinced that there will be a boy there who looks exactly like him.
Clumsy Hotori Arashiyama is a girl with a love for mysteries and a knack for getting into trouble. Hotori works as a waitress in an unsuccessful coffee shop when the manager comes up with a plan to increase its fortunes by changing into a maid cafe. Unfortunately, no one knows how to make a successful maid cafe other than dressing everyone in a maid outfit. What follows is a wacky series of incidents involving Hotori’s many friends, mismatched love stories… and ghosts and aliens.
The story centers on the daily life of college dorm roommates Yumi Irisu and Ruka Kujirai. Ruka, the older of the two, is constantly penniless despite her being active in a band. Irisu works part-time at a second-hand bookstore.
