Ep. 3: Yuuri Shibuya declares himself Demon King after a magical mishap leads to a coronation.
Aired on April 17, 2004

After using magic for the first time, Yuuri learns from Wolfram that Conrad and Gwendal are defending a human refugee village under attack. Yuuri persuades Wolfram to accompany him to assist. During their journey, they encounter Adalbert, who reveals that humans are attacking the town, creating a conflict between humans. Adalbert urges Yuuri to abandon the demons and join him, but Yuuri resolves to support the demons instead. Upon returning to the capital, Yuuri decides to become the Demon King and participates in a coronation ceremony. The ritual requires him to place his hand in a waterfall, but doing so causes him to be transported back to Earth.
Episodes
- Ep. 1 · Yuuri is flushed into a toilet and transported to a medieval fantasy world.
- Ep. 2 · Wolfram insults Yuuri's mother, leading to a duel over engagement that ends with Yuuri revealing magic.
- Ep. 3 · Yuuri Shibuya declares himself Demon King after a magical mishap leads to a coronation.
- Ep. 4 · Yuuri forms a baseball team while facing a looming human war in another world
- Ep. 5 · Yuuri and companions sail to Van da Via island seeking the demon sword Morgif.
- Ep. 6 · Conrad, Wolfram, Yuuri, and Jozak investigate the cursed hot spring on Van da Via island.
- Ep. 7 · The Demon Sword Moves: Questions of Running Away and Straying