To defeat the rampaging Demon Clan, the various races summoned Otherworlders.

Two hundred years after the Demon King’s defeat and the fall of the Demon Race, the number of Otherworlders reached its peak.

During a conversation with his former comrades, he was unexpectedly killed—only to be reborn as one of their former enemies: a Demon girl?!

And so, she embarked on a new journey.

‘Otherworlders, where are you now?’

‘It’s time to repay your debts…’