A complete fraud wakes up in the body of the world's chosen hero and immediately realizes nobody can tell the difference. The show knows exactly what it is: a vehicle for a thigh-obsessed scoundrel to bumble through apocalypse-level stakes while being catastrophically horny, and it commits to that bit with zero apology. Every setup lands because Touka's shameless self-interest creates actual friction with the "save the world" plot, turning the premise into a comedy machine that never stops spinning.
Touka's life as a small-time scoundrel takes an unexpected turn when the legendary hero Sion literally falls into his trap and dies. Panicking, Touka buries the body and tries to move on with his pathetic existence, but wakes the next morning inhabiting Sion's muscular body with zero idea how it happened. Now he's stuck impersonating the world's greatest warrior while a demon invasion looms on the horizon. The problem: Touka has no combat training, no magical abilities, and absolutely no interest in saving anyone. He's a coward, a pervert, and a con artist, yet somehow he's supposed to defeat an army of monsters before the world burns. Every battle becomes a desperate improvisation. Every ally he meets expects heroic speeches and selfless sacrifice from someone who just wants to survive another day. This is a comedy adventure that finds humor in the gap between legend and reality, watching an ordinary screw-up flail through extraordinary circumstances while reluctantly discovering he might care about something beyond himself.