Kaseifu Kuromi wa kusatta kazoku wo yurusanai

Kiyoka Kuromi is a housekeeper who has a secret and is pursuing an "ideal family" by any means. Kiyoka has been assigned to work for the Haibara family, who appears to be an ideal family but is actually filled with problems. The friendly Kiyoka quickly become close with the family, but in fact, she is obsessed with "creating an ideal family" and ends up going on a rampage that goes beyond common sense and ethics.