The official website for the upcoming “Hoppe-chan ~Sun Ookoku to to Kuro Hoppe-dan no Himitsu~” (Hoppe-chan ~Mystery of the Sun Kingdom and the Black Hoppe Team~) anime has released a new promotional video, unveiling additional cast members and details on its opening theme song artist. The series is slated to premiere in January 2026.
New Cast Members Join the Hoppe-chan Ranks
The latest announcement expands the voice cast for the adorable slime-like characters. Rin Kusumi will star as Ganso Hoppe-chan, while Kyoko Kuramochi joins as Ohana Hoppe-chan. Ayaka Takamura is cast as Star Hoppe-chan. Other newly revealed cast members include Ran Misato as Megane Hoppe-chan, Ayasa Ito as Heart Hoppe-chan, and Neo Tanaka as Tiara Hoppe-chan. Additionally, Sachi will voice Ayumu “Hoho” Sato, an office worker in “our world” whose story will intersect with the magical Sun Kingdom.
Opening Song Artist Announced
The opening theme for “Hoppe-chan ~Sun Ookoku to to Kuro Hoppe-dan no Himitsu~” will be performed by the popular VTuber artist Mori Calliope. Known for her unique blend of Japanese and English lyrics and strong rap skills, Mori Calliope has gained international recognition since her major debut in 2022. Her involvement is expected to bring a dynamic start to each episode of the new anime.
A Glimpse into the Hoppe-chan World and January 2026 Premiere
The “Hoppe-chan” anime is set to follow two interconnected storylines. One narrative unfolds in the “Sun Kingdom,” a charming world where an amnesiac Hoppe-chan strives to protect the kingdom from “uncute” slimes. Simultaneously, the series will explore the life of Hoho, an office worker navigating her own challenges. The anime adaptation of the “Hoppe-chan” mascot franchise, originally created by SUNHOSEKI in 2010, is directed by Nabeshige at Toon Harbor Works. Yoko Yonaiyama is handling the series composition, with Takahiro Nagano and Saji Komori collaborating on scriptwriting. Gurin. and 1ssaKawaguchi are credited with character designs. The series is scheduled to debut in January 2026.
