The Akagi, the original 'real robot route' male character's mecha from Super Robot Wars Eternity, a fanmade version of the popular Super Robot Taisen video game series, currently under development by Sasori Zero Labs.

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Main Site: [link]

The Akagi's design is a homage to, and intentionally incorporates elements from, the mecha featured in several well-known and not-so-well-known shows.