YES, it is finished.
This is an original anime and all detected relations are finished. Check the release order section for a complete list of relations.
Here you have all the anime relations we detected ordered by release date, so you can see the reason for this status in context and also use it as watching order.
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Aigan Kaijuu presents a bizarre reality where Japan is constantly under attack.
However, the attackers aren't typical giant monsters, but rather enormous, seemingly innocent toys.
These "scary cute" creatures, while appearing harmless at first glance, are responsible for widespread destruction across the country.
The anime explores the contrast between their playful appearance and the devastating consequences of their actions, creating a surreal and potentially unsettling atmosphere as they relentlessly rampage.