Narutaru: Mukuro Naru Hoshi Tama Taru Ko
English title: Shadow Star Narutaru
Japanese title: なるたる ～骸なる星・珠たる子～
Type: TV
Episodes: 13
Premiered: summer 2003
Source: Manga
Genres: Drama, Horror, Sci-Fi, Suspense
Studios: Planet
Producers: Kids Station, Ken Groove, Step Eizou, C-TBS
Duration: 24 min per ep
Rating: R - 17+ (violence & profanity)

During her summer holiday at her grandparents house Tamai Shiina, a young and cheerful schoolgirl, meets a strange looking creature. They befriend each other and Shiina names it "Hoshimaru: The Round Star." When Shiina returns home after the summer to go back to school, she starts meeting other kids that also have befriended a strange creature like Hoshimaru. But she soon finds out that not all these creatures and their masters are as friendly as Hoshimaru.

(Source: ANN)