Kaiju No. 8 The Game to feature a new original character with Sagan Shinomiya

Kaiju No. 8: The Game Introduces a Powerful New Hero in a Monster-Filled Japan

Kaiju No. 8: The Game expands the beloved universe with an original character who adds fresh intrigue and deeper worldbuilding—perfect for fans seeking an action-packed anime game experience and players searching for “best mobile anime action RPGs.”

Set in a Japan overrun by mysterious dimensional gates, the game’s story branches from the original series, introducing new threats, new alliances, and a new organisation rising alongside the Kaiju Defense Force. At the heart of it all is Sagan Shinomiya, the enigmatic adoptive sister of Kikoru, whose hidden history is central to the narrative.

As leader of the newly formed CLOZER (Closing Order with Zero Restrictions), Sagan commands the frontline effort to shut down the gates and prevent waves of giant monsters—making her one of the game’s most anticipated characters and a key draw for players searching for “story-driven anime games” and “kaiju RPG adventures.”

• Kaiju No. 8 is set to include a brand-new original character
• Sagan Shinomiya is the mysterious adoptive older sister of Kikoru Shinomiya
• Her backstory and much of her role in the story are under wraps until launch

As many anime and manga fans know, casts can grow enormous—and Kaiju No. 8 embraces that tradition with its exclusive game-only character reveal. These original characters often act as player-friendly entry points into complex worlds, making them ideal for newcomers and veterans alike.

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Developer Akatsuki Games appears committed to Kaiju No. 8: The Game, especially after shelving Tribe Nine only three months post-launch. That history may make some fans cautious, but the studio’s focus suggests a more ambitious and long-term direction for this adaptation.

If you’re exploring more titles within the genre, don’t miss our list of the top 15 best anime mobile games—a helpful guide for anyone seeking new worlds, standout characters, or “anime games with original storylines.”