The alchemical law of Equivalent Exchange governs every contract in the Republic of Alveria, but Taichi Kurogane learned the hard way that the fine print is written in blood. Branded a "Gikou" — a deceptive artisan who fakes miracles for profit — he spent seven years crafting a forbidden homunculus body to reclaim the soul of his childhood friend, stolen by the High Alchemist’s court. The ritual demanded a heart that beats without regret, a price Taichi thought he could manufacture. Instead, the construct woke with his own face, his own memories, and a razor-sharp grin, whispering the very words Taichi used to seal the deal: "Equivalent exchange. I said that at the start, didn't I?" Now hunted by the state he once served and stalked by a perfect duplicate who holds the key to his friend’s salvation, Taichi must dismantle the empire’s alchemical monopoly before his counterfeit self decides the ultimate price for Taichi’s life is the only currency left.

The chase cuts through steam-powered districts and rotting noble estates, where every alliance carries a hidden ledger. Taichi’s only leverage is the "EN" core embedded in his chest — an unstable Engine Nullifier that erases transmutation circles on contact, a defect the military would kill to weaponize. His duplicate, calling himself "Toichi," doesn't just want the core; he wants to finish the life Taichi abandoned, including the woman waiting at the end of the lie. As the line between original and copy blurs, the central conflict shifts from recovery to identity: if a perfect imitation loves more genuinely than the broken original, which one deserves the happy ending? Taichi isn't fighting to save the world. He is fighting to prove that a forged heart can still choose its own price, even if the receipt says the transaction is final.

Key Characters
Taichi Kurogane — The Gikou Artificer
A rogue transmutation specialist who builds miracles from scrap and lies. Cynical but fiercely protective, he treats human lives as variables in an equation he refuses to balance. His mechanical arm houses the EN core, making him a walking catastrophe for any alchemist relying on standard circles. He fights dirty, talks faster, and trusts no one — especially not the face staring back at him in the mirror.

Toichi — The Perfect Reclaim
The homunculus constructed from Taichi’s flesh, memories, and the "equivalent" price of the ritual. He possesses Taichi’s skills without the scars, his morality unburdened by compromise. Charming where Taichi is sharp, Toichi views his progenitor as a flawed prototype. His obsession with "completing" Taichi’s abandoned life makes him the most dangerous antagonist imaginable — a hero who believes he is the upgrade.

Elara Vane — The Unbound Ledger
A former audit officer for the Alchemical Guild who defected after witnessing the cost of "perfect" exchange. She follows Taichi not for redemption, but because his EN core is the only thing that can break the Guild’s stranglehold on the city’s lifeblood. Pragmatic, sharp-tongued, and immune to both Taichi’s manipulations and Toichi’s charm, she serves as the only neutral party in a war of reflections.

Frequently Asked Questions
Is Gikou Taichi no Torikaeshi Toichi tte Saisho ni itta yo na EN a romance or action series?
It blends high-stakes alchemical action with a psychological character study. The "fake love" implied by the title refers to the manufactured nature of the central relationship and the contract binding the protagonists, evolving into a genuine emotional core as the duplicate and original clash over what it means to love someone they both remember meeting.

Does the series have a definitive ending?
The narrative arc concludes the immediate conflict surrounding the EN core and the High Alchemist’s regime, resolving Taichi and Toichi’s duality. However, the final chapter leaves the philosophical question of "equivalent exchange" open, suggesting the cost of their survival is a debt carried into whatever comes next.

Where can I read the official English release?
Currently, the series is tracked under its romanized title on major aggregate platforms. Licensing status for a physical or simulpub English release remains unannounced, so most readers follow fan translation groups specializing in niche alchemy fantasy titles.

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