Kono Yo de Ichiban Suteki na Owarikata

Having inherited her late father's funeral parlor, Huo Fa is assisted by the walking corpse, Hei Xiong. Hei Xiong died a long time ago, yet she does not know the method to truly pass on. She spends these days concerned for the happiness of Huo Fa, who lost her parents long ago. At the same time, Hei Xiong searches the memories of her lost life, searching for the meaning of her existence.

(Source: Ichijinsha, translated)