The spin-off “Planetary Heir: Dark Knight Arc,” a full-scale SF action title, begins early distribution on Manga Kingdom on 25 October 2026. A launch fair and a campaign offering extended free previews will also be held.
The spin-off “Planetary Heir: Dark Knight Arc” of “Planetary Heir,” a full-scale SF action title with a long-standing following, has begun early distribution on Manga Kingdom. Distribution started on 25 October 2026 (Sunday), with the latest chapter scheduled for release on the 25th of every month.
The story follows the battles of Nick, a young man who has lost his memory, Iona, a junk dealer, and Ambrow, a bounty hunter pursuing Nick. Set on the planet Reda, it is a prequel that delves into a conspiracy surrounding the time when night arrives.
To mark the start of the series, the “Launch Fair for the Prequel to a Classic SF Title, ‘Planetary Heir: Dark Knight Arc’” is being held. Manga Kingdom is offering extended free previews of the original series, along with a campaign allowing readers to read Dark Knight Arc at a discount. The campaign runs from 25 October through 7 November 2026.
The work’s title, author, URL and synopsis have been published, along with profiles of the key characters and details of the planet Reda, which is central to the story.