Mercedes and the Waning Moon Anime Reveals Cast, Staff, January 2027 Debut
The January 2027 premiere date and full staff announcement provide a concrete timeline for the adaptation of Fire head's light novel series, which began online in 2018.
Key Facts
- Anna Nagase voices the titular Mercedes Grunewald in the anime.
- Kunihisa Sugishima directs the anime at studio Teddy.
- The anime premieres in January 2027.
- Jun Kumagai handles series composition for the adaptation.
- The light novel series began on Shosetsuka ni Naro in 2018 and is published by TO Books with illustrations by KeG.
Reporting from 2 sources: Anime News Network, Anime Corner.
Hakuhodo DY Music & Pictures revealed the television format, first promotional video, teaser visual, main cast and staff, and the January 2027 debut for the anime adaptation of Fire head's Mercedes and the Waning Moon light novel series on Wednesday. Anna Nagase stars as the titular Mercedes Grunewald. Kunihisa Sugishima directs the anime at studio Teddy. Jun Kumagai handles series composition, Nami Shoyama designs the characters, and R.O.N and Shuhei Mutsuki compose the music. The story follows Mercedes, a reincarnated vampire child who takes up dungeon crawling to support her family after being disowned. J-Novel Club publishes the novel series in English digitally. Fire head launched the series on the Shosetsuka ni Naro website in 2018. TO Books began publishing the novels with illustrations by KeG in 2021. A manga adaptation by Pochi Edoya launched in 2021 on TO Books' Corona EX website.
The light novel series Mercedes and the Waning Moon originated on the Shosetsuka ni Naro website in 2018 before being picked up by TO Books, which began publishing print editions with illustrations by KeG in May 2021. A manga adaptation by Pochi Edoya followed in August 2021 on TO Books' Corona EX platform. The anime adaptation was first announced in August 2025, and the latest reveal confirms a January 2027 premiere on television.
Director Kunihisa Sugishima previously worked on Strike Witches, Yu-Gi-Oh!, and Beyblade: Metal Fury. Series composer Jun Kumagai has credits including Persona 4 the Golden Animation and Teppen!!!!!!!!!!!!!!! Laughing 'til you Cry. Character designer Nami Shoyama served as animation director on Buddy Daddies and Yu-Gi-Oh! Go Rush!!. Music composers R.O.N and Shuhei Mutsuki have worked on The Classroom of a Black Cat and a Witch and The 100 Girlfriends Who Really, Really, Really, Really, Really Love You, respectively.
J-Novel Club describes the story: Reincarnated as a vampire to a noble father and his shunned concubine, Mercedes Grunewald knows her father will choose an heir that is not her. To provide for her family, she begins dungeon crawling training at a young age, determined to find something that will make her moon full.
Synthesized by Yomimono from the 2 cited sources below, including Japanese-language reporting where cited, then editorially reviewed before publishing.