Shiwasu Hoshikawa & Yūichirō Momose Launch New Manga
Excitement is building in the manga community after the June issue of Afternoon magazine confirmed a high-profile creative pairing: artist Shiwasu Hoshikawa and writer Yūichirō Momose are teaming up for a new series titled Gyakusatsu Kigen (Genocide Origin) , set to launch in the magazine’s May 25, 2026 issue. This collaboration brings together two creators with strong track records in character-driven storytelling and multimedia franchise development, and fans are already speculating about tone, themes, and how this new work will fit into both creators’ evolving careers. Image via PR Times' X/Twitter © Shiwasu Hoshikawa, Yūichirō Momose, 2008-2026 Kodansha Ltd. What We Know So Far About Gyakusatsu Kigen The announcement is short on plot details but large on pedigree. Gyakusatsu Kigen will pair Hoshikawa’s illustrative sensibilities with Momose’s narrative experience. The premiere date listed for the new series is May 25, 2026 (Afternoon ma...