Ep. 24: Shirogane returns to the Shadow World after Akira saves Haruka from the King of Darkness.
Aired on September 30, 2008

24
The group pursues Haruka, revealed to be Ushi-sama, into Mt. Fuji. Aya and Kengo separate from Akira and Shirogane to handle obstacles, including an attack on Shirogane by a possessed butler. Akira confronts Haruka, revealing the truth and summoning the King of Darkness, who captures Haruka. Shirogane attempts a rescue, but Akira transforms into his Rei form at the last moment to save Haruka, who pleads to stay with his nakama. The group reunites with Mayu and Master. Shirogane regains his Darkness powers from Akira and returns to the Shadow World, though Master questions his safety. Life returns to normal, and Akira resumes his previous routine.
Episodes
- Ep. 20 · Akira helps a butler in trouble during a chaotic audition with a playful young mistress.
- Ep. 21 · Kou assists a fleeing prince who faces assassination and demonic possession by his brother.
- Ep. 22 · Sealed darkness opens, revealing a red sky and a suspected spy among the group.
- Ep. 23 · Akira confronts Haruka and Ruru while Shirogane’s true nature as a shadow is revealed.
- Ep. 24 · Shirogane returns to the Shadow World after Akira saves Haruka from the King of Darkness.