Manga
Gastrea
Humanoid Gastrea
Mouse Gastrea
Bee Gastrea
Giraffe Gastrea
High Stage Gastrea
The Gastrea that took Rentaro's limbs
Fly Gastrea
Sumiaki Okajima
The Gastrea that attacked Sumiaki
Slug Gastrea
Crocodile Gastrea
Horseshoe Crab Gastrea
Shark Gastrea
Lizard Gastrea
Insect-Plant Gastrea
Deer Gastrea
Stone Gastrea
Wolf Gastrea
