The official website for the Multi-Mind Mayhem: Isekai Tensei Soudouki television anime — based on the light novel series by author Ryōsen Takami and illustrator Ririnra — announced on Friday a January 6 premiere date, six additional cast members, opening and ending theme songs, a second key visual, and a second promotional video.

Broadcast & Streaming

The first episode will air on January 6 at 10:00 p.m. on Tokyo MX, followed later that evening on BS Fuji. AT-X will begin broadcasting the series on January 8.

Streaming platforms d Anime Store, ABEMA, and U-NEXT will carry the series from January 6 at 10:30 p.m., launching with the first two episodes simultaneously. From that point on, new episodes will be available on streaming services one week ahead of their television broadcast.

Newly Announced Cast

• Marina Inoue as Maggot
• Takehito Koyasu as Ignis
• Toshiki Kumagai as Brooks
• Ari Ozawa as Teresa
• Kōhei Yanagi as William
• Yuki Sakakihara as Franco

Previously Announced Cast

• Takashi Matsuyama as Sanai Oka
• Satoshi Inomata as Masaharu Oka
• Yukari Anzai as Seillune
• Ayasa Itō as Selina
• Sumire Morohoshi as Silke

Theme Songs

Maverick Mom performs the opening theme “Isekai” (Another World), while VTuber Tokino Sora sings the ending theme “Brand New Day.”

Staff

The anime is produced at Studio DEEN under the direction of Hiroaki Sakurai (Di Gi Charat). Keiichirō Ōchi (The Quintessential Quintuplets) is handling series composition, while Zenjirō Ukulele (My Wife Has No Emotion) is adapting the character designs from Hajime Watanabe‘s (School Rumble) original artwork. Ryoshi Takagi is composing the score.

Story

Bard Cornelius is the son of a nobleman in the parallel-world empire of Mauricia — but he’s far from ordinary. Three souls share his single body: his own, along with Oka Sanai, a penny-pinching samurai, and Masaharu Oka, a high-school otaku with a passion for animal-eared girls. Armed with their combined knowledge of military tactics and business savvy, Bard is determined to scheme his way to the top.

Source Material

AlphaPolis published the first light novel volume in March 2014 and the fourteenth and final volume in February 2019. Honoji‘s manga adaptation launched on AlphaPolis in 2015; the 14th compiled volume was released on March 18. One Peace Books publishes the manga in English print, while Alpha Manga handles the digital English edition — the ninth volume was released in March 2024.