Shinigami no Ballad.
English title: Momo, Girl God of Death
Japanese title: しにがみのバラッド。
Type: TV
Episodes: 6
Premiered: spring 2006
Source: Light novel
Genres: Drama, Supernatural
Studios: Group TAC, Ginga Ya
Producers: Pony Canyon
Duration: 24 min per ep
Rating: PG-13 - Teens 13 or older

A girl wrapped in white, her name is Momo...in her hand lies a blunt yet shiny scythe. By her side is a winged black cat by the name of Daniel. Carrying the souls of humans, the girl's existence parallels to that of a "Death God" or "Shinigami". At the instant when this white Death God touches the hearts of humans, the world is filled with kindness and grief...

(Source: ANN)