According to popular folklore, there exists an entity known as Boogiepop, who goes by the title of the Angel of Death. It's said that this being can alleviate suffering from pain and afflictions. While these tales may seem like mere myths, they are indeed grounded in reality.
Seven Seas Entertainment published the first three and the sixth volume of the series in English from January 14, 2006 to August 5, 2008, before dropping the series due to low sales. The publisher later re-released these volumes digitally with new copy-editing. The publisher has licensed the fourth and fifth volume, and plans to release the first six volumes in two omnibus volumes.