Rin may be a private detective with an advantage: near immortality. because of the spores of the Yggdrasill tree, both she and her assistant Mimi have lived a few years longer than the typical person. That isn’t to mention that being immortal doesn’t have its problems. With ‘angels’ eager to devour them, the being Apos sending wave after wave of professional assassins to kill them, and constant hangovers from long nights of drinking, being immortal still has its downsides. With Apos’ attempts at removing them from the image increasing, can Rin and Mimi find out what he’s after in order that they can return to their morning shots of Vodka?