The show traps you inside Tomoharu's impossible choice: save the person you love or save the world from becoming what you're afraid you already are. Every episode narrows the space between those two options until they're the same thing. The mecha fights matter less than the weight of knowing that whatever he decides, someone he cares about gets erased. The pacing stumbles in the middle episodes, but by the end it doesn't matter because the emotional architecture was sound from the start. This is a show about the cost of keeping people alive when keeping them alive costs you your soul.
Tomoharu stands at a crossroads between friendship and survival. His classmate Takatsuki faces a fate worse than death unless he forms a contract with an akuma, a supernatural entity that grants power but demands a terrible price. The catch: Tomoharu already shares his body with Misao, a ghost who refuses to leave his side. Bonding with another akuma would transform them both into something forbidden, something the school's leadership has branded humanity's greatest enemy. What complicates everything is the emergence of fragmented memories neither of them should possess. These glimpses reveal a world that shouldn't exist, a reality that challenges everything they thought they knew. As Tomoharu grapples with an impossible choice, mecha battles erupt around him, supernatural forces converge, and the line between savior and threat begins to blur. The series balances high-stakes action with genuine emotional stakes, asking whether saving someone you love is worth becoming the very thing everyone fears. It's about loyalty tested against consequence, sacrifice measured against identity.