The World's Finest Assassin Gets Reincarnated in Another World as an Aristocrat
, also known as The world's best assassin, To reincarnate in a different world aristocrat, is a Japanese light novel series written by Rui Tsukiyo and illustrated by Reia. It was serialized online from July 2018 to October 2021 on the user-generated novel publishing website Shōsetsuka ni Narō. It was later acquired by Kadokawa Shoten, who have published the series since February 2019 under their Kadokawa Sneaker Bunko imprint.
A manga adaptation with art by Hamao Sumeragi has been serialized online via Kadokawa Shoten's Young Ace Up website since January 2019. Both the light novel and manga have been licensed in North America by Yen Press. An anime television series adaptation produced by Silver Link and Studio Palette aired from October to December 2021. A second season has been announced.
Premise
The protagonist is an old man who had lived his life as the world's greatest assassin. Due to his advanced age, it was finally decided that he would be able to retire. However, the plane he was on was sabotaged and even his skills as the greatest assassin could not save him. When he died, he was awakened by a goddess who wanted to reincarnate him in a world of swords and magic because she needs his skill set to prevent the destruction of that world at the hands of the Hero. Accepting this request, the protagonist awakens as Lugh Tuatha Dé and swears to finally live his life to its fullest using his skill to save the world.Characters
;Assassin;Lugh Tuatha Dé
;Dia Viekone
;Tarte
;Maha
;Epona Rhiannon
;Cian Tuatha Dé
;Esri Tuatha Dé
;Goddess
;Ronah
;Noine
;Count Azba Venkaur
;Setanta MacNess
Media
Light novels
The series released volumes on the Shōsetsuka ni Narō website from July 2018 to October 2021. Since February 2019, Kadokawa Shoten started releasing the series in print and has published eight volumes under their Kadokawa Sneaker Bunko imprint. In July 2020, Yen Press announced they licensed the series.Manga
In January 2019, a manga adaptation by Hamao Sumeragi started serializing in Kadokawa Shoten's Young Ace Up manga website and has been collected in eight volumes. Yen Press also licensed the manga for an English release.Anime
An anime television series adaptation by Silver Link and Studio Palette was announced on February 15, 2021. Masafumi Tamura directed the series, with Katsuhiko Takayama writing and overseeing the scripts, Eri Nagata designing the characters, and Kenichi Kuroda composing the music. The series was originally scheduled to premiere in July 2021, but was delayed to October 2021 due to "various circumstances". It aired from October 6 to December 22, 2021, on AT-X and other channels. The opening theme is "Dark Seeks Light" performed by Yui Ninomiya, while the ending theme is "A Promise" performed by Aira Yūki. Crunchyroll streamed the series worldwide outside of Asia. On October 28, 2021, Crunchyroll announced the series would receive an English dub, which premiered on November 24, 2021. Muse Communication licensed the series in South and Southeast Asia.A second season was announced during Kadokawa's "Sneaker Bunko 35th Anniversary Festa!" livestream on September 24, 2023.