12時の鐘とシンデレラ～Halloween Wedding～

Odette is the sole daughter born to the influential Scarlet House. Together with her father, step-mother, and two step-sisters, she has lived a life without any discomforts. But, that life is broken when a shocking notice about a huge debt that her father left after his death comes. Driven out of their estate, Odette and her family take up residency in the lower parts of the city and now work tirelessly in order to revive the Scarlet Household.

[From My Neo Romance Forum]