Red Kai (Ultraman Orb) x original female protagonist.
Everyone may be out of character, so don't read if that bothers you.
The heroine has a growth arc, though her basic abilities are still quite strong.
The timeline is after the Ultraman Orb TV series. Red Kai has overcome his inner demons and grown into a powerful, gentle, and dependable warrior.
During a battle, Captain Kami Yuzu of the escort team accidentally contracts the "revenant" virus. By the time she submits her resignation as team captain to headquarters, she's already set out on a journey to find a cure.
Theme: Growing and finding freedom through the darkness.
