Awakening from magical stasis after a thousand years, the Dark Lord Leonis suddenly finds himself in the body of a ten-year-old boy! He quickly meets Riselia, a girl confronting the Voids, creatures that have nearly exterminated humanity. Determined to uncover the mysteries of this strange new era, Leonis enrolls in Excalibur Academy, a school that trains students to fight back against these enigmatic monsters. Could the Voids hold some connection to Leonis's past?
| Title | Air Date | Duration | ||
|---|---|---|---|---|
| Season 1 | Episode 1 | The Demon Lord Returns | 2023-10-03 | 24 min |
| Season 1 | Episode 2 | A Fate Borne | 2023-10-10 | 25 min |
| Season 1 | Episode 3 | An Awakening Soul | 2023-10-17 | 25 min |
| Season 1 | Episode 4 | The Stirrings of a Bitter Grudge | 2023-10-24 | 25 min |
| Season 1 | Episode 5 | A Great Uproar | 2023-10-31 | 25 min |
| Season 1 | Episode 6 | The Demon Lord's Resolve | 2023-11-07 | 25 min |
| Season 1 | Episode 7 | The Princess' Secret Feelings | 2023-11-14 | 25 min |
| Season 1 | Episode 8 | A Bond Everlasting | 2023-11-21 | 25 min |
| Season 1 | Episode 9 | The City Ruins Appear | 2023-11-28 | 25 min |
| Season 1 | Episode 10 | The Elf Hero | 2023-12-05 | 25 min |
| Season 1 | Episode 11 | The Goddess' Voice | 2023-12-12 | 25 min |
| Season 1 | Episode 12 | The Truth Behind the Demon Sword | 2023-12-19 | 25 min |
| Writing | Yu Shimizu | Other |
| Directing | Hiroyuki Morita | Series Director |
| Sound | Yuji Nomi | Original Music Composer |
| Writing | Kunihiko Okada | Series Composition |
| Art | Nozomu Koga | Art Direction |
| Art | Shuujirou Hamakawa | Production Design |
| Art | Ley Yumeno | Concept Artist |
| Visual Effects | Takayuki Noguchi | Character Designer |
| Visual Effects | Satsuki Hayasaka | Character Designer |
| Visual Effects | Izumo Yoshiaki | Creature Design |
| Art | Satoshi Okubo | Background Designer |
| Visual Effects | Sakie Suzuki | Color Designer |
| Camera | Kouji Hayashi | Director of Photography |
| Camera | Maki Satake | Director of Photography |
| Editing | Ayako Tan | Editor |
| Sound | Hisayoshi Hirasawa | Sound Director |
| Sound | Chiai Fujikawa | Theme Song Performance |
