The Bekimono

Chitose Nakazawa, a currently parentless 16 year old, becomes un-normal when she finds a mysterious portal in between an apartment and convenience store. Chitose discovers four other people from different eras around her age. A Shinigami called Rokumi tells them that their duties are to be part bekimono to gain full power and defeat the corrupted demons of the underworld to protect the world. But there is a deeper reason why Rokumi gathered the five bekimono...