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Metabon (めたぼん)Birthday: Unknown
Blood type: Unknown
Special skill: Being cheeky
Favorite food: Dried wheat gluten snack
Least favorite food: Nothing
A strange creature belonging to the Academy, an organization that nurtures the "Compatible Ones." While it clings onto Akane and the rest, teaching them about many things, it's cheeky and quibbles a lot.
(Source: Divine Gate Wikia)