Leylis Vi Felicity Sumeragi - the show's protagonist

Kurogane no Necromancer (鉄の死霊術師, Kurogane no Shiryoujutsushi, lit. "Black Metal Necromancer"; shortened as KuroNeku, クロネク) is a fictional anime series in the Boku wa Tomodachi ga Sukunai series. It is Kobato Hasegawa's favorite anime series.


Kuroneku is an anime show of a Magical Girl genre that contains dark themes (main character is a vampire who uses powers of darkness, war, betrayals etc) and detailed battle scenes. Because of this variety of elements, it's popular with various audiences ranging from children to adults.

The show began two years prior to the start of the series, and spanned for three seasons. After the success of first season, the creators made a sequel which was also very well received and eventually lead to the creation of the current (in novels timeline) third season which goes under name "The Third Necromancy".


Leylis Vi Felicity Sumeragi (レイス・フォン・ドラキュリア・屍) also known as Lace van Dracula Shikabane - main protagonist, Gothic Lolita and 10,000 year old vampire that fights demons. Leylis is a true ancestor, a pure blooded vampire who isn't afraid of sunlight and crosses. Her Japanese voice actor is Tomoko Nakamura and her English voice actor is Trina Nishimura.

Guernica Banfield (ゲルニカ・バーンフィールド) - She is Leysis' rival in the series. Her Japanese voice actor is Noriko Obata and her English voice actor is Jamie Marchi.

Emeraude Mireille von Livalacia Ootori (nickname Meriru, "The Phoenix User") - a character who appeared only in the 8th episode of season two and episode 5 of season 3.

Astaroth (Asutarou) - main antagonist of season one, a demon with a horse's head and a humanoid body. He was killed by the Holy Knight Carol. His Japanese voice actor is Kenji Kitamura.

Holy Knight Carol - A character that killed Astaroth.


  • The name Kurogane no Necromancer's is an allusion to Fullmetal Alchemist (鋼の錬金術師, "Hagane no Renkinjutsushi") including a similar design on its title card.
  • The show's shortened title "Kuroneku" may allude to Ruri Gokou, a.k.a Kuroneko (lit. "Black cat) from the Oreimo anime series. Like Kobato, Kuroneko has chuunibyou to a degree, likes dark-themed anime and dons gothic lolita fashion. Furthermore, both characters share the same voice actress.</span>
  • The show has a video game adaptation as well as merchandise, including figures.