Descendants of Darkness (Japanese: 闇の末裔, Hepburn: Yami no Matsuei) is a Japanese manga series written and illustrated by Yoko Matsushita.^[4] The story revolves around shinigami. These Guardians of Death work for Enma Daiō, the king of the dead, sorting out the expected and unexpected arrivals to the Underworld.^[5]

An anime television series adaptation by J.C.Staff aired on Wowow from October to December 2000.

Asato's catchphrase:

"Those who live in darkness, wander aimlessly"

Series introduction:

"In matters related to the world of the dead, there is an institution that judges the sins of the deceased; The Ministry of Hades, the Summon Section of the Judgement Bureau comprises of groups supporting the ministry's operating functions by guiding the lost souls that wander the mortal world. They are also known as the Guardians of Death."

Asato Tsuzuki has been a 'Guardian of Death' for over 70 years. He has the power to call upon twelve shikigami, mythical creatures that aid him in battle. The manga portrays Tsuzuki's relationship with the shinigami in much more detail. Tsuzuki is the senior partner of the Second Division, which watches over the region of Kyūshū.

In the anime, the story begins when Chief Konoe, the boss, and the other main characters discussing recent murders in Nagasaki. The victims all have bite marks and a shortage of blood, which leads to the case being known as "The Vampire Case."

After some food troubles, Tsuzuki travels to Nagasaki with Gushoshin, a flying creature/helper who can speak, and together they do a bit of investigating. The rule is that Guardian of Death are supposed to work in pairs, and until Tsuzuki meets up with his new partner, he needs someone to watch him. However, Gushoshin gets held back by groceries, and Tsuzuki is on his own.

While exploring Nagasaki, Tsuzuki hears a scream and has a run-in with a strange white-haired woman with red eyes, who leaves blood on his collar. Taking this as is a sign that the woman might be the vampire, Tsuzuki tries to follow her. He comes to a church called Oura Cathedral, where he meets the story's primary antagonist, Muraki.

Doctor Kazutaka Muraki is initially portrayed as a pure figure, with much religious and color symbolism. He meets Tsuzuki with tears in his eyes and Tsuzuki, thrown off, asks if Muraki has seen a woman recently. Muraki says no body has been in the church, and Tsuzuki leaves. Tsuzuki later learns that the woman that he encountered is Maria Won, a famous singer from China.

From there Tsuzuki continues through Nagasaki into the area of the city known as Glover Garden, where he is held at gunpoint from behind. His attacker tells him to turn around, and when he does, he discovers a young man glaring at him. He suspects this man is the vampire. Tsuzuki is then saved by Gushoshin.^[6] Afterwards Tsuzuki learns that the boy is Hisoka Kurosaki, his new partner, and the rest of the story is heavily based on character development and the relationships between characters.

Later in the Nagasaki Arc (the first fourth of the anime series, and the first collection of the manga), Hisoka is kidnapped by Muraki, and the truth about his death is revealed. Tsuzuki rescues him after his "date" with Muraki,^[7] and the series follows the relationship between these three characters, supported and embellished by the rest of the cast.

^[relevant?]

• The insert song for episode two, Amethyst Remembrance, is based on the poem "I held a Jewel in my fingers" by Emily Dickinson.^[41]

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Descendants of Darkness has been called "a gateway drug into shōnen-ai and yaoi" despite it not really being as such.^[2] Anime News Network praised the TV series' humor.^[42] Descendants of Darkness sold 10,000 copies in its first few months on the English-language market.^[43] Volume 5 of the series ranked 6th in the week ending of May 22, 2005, according to BookScan's Graphic Novel List.^[44]