Nariko

Nariko is a Japanese anime series based on the manga series written and illustrated by Machiko Yaniko that has been running on Shueisha's Weekly Young Jump since 1999.

Plot
18-year old goth Nariko Kuroro and her 8-year younger and cheerful sister Noriko Kuroro are orphaned sisters that ran away from an orphanage their aunt put them in after their parents died from a heart attack. One day, they came across Naki the demon after she's been kicked out of Hell for "being too nice" so the three of them decided to move into an abandoned mansion that is actually haunted where they met Garu Bones, Hiroshi Boogie and Dakara Zombo. Now Naki, Nariko and Noriko spends their days in the haunted mansion while making sure not to lose anybody.