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.
A small bar in Tokyo's red-light district run by an undercover detective with a tragic past links together a group of eccentrics, a search for aliens, FBI investigators, bizarre love affairs and assassins.
Shibuya in Tokyo, a city that continues to change due to redevelopment. At a house in the corner of Shibuya, Ai dreaming of a model, Mizuho working for the editorial department of a magazine, and musician Erika live together. This story is about the modest cohabitation of the three.
