The Obsessive Second Male Lead Has Gone Wild - Chapter 14: It had been a long time since the goddess of his lineage cursed the world in anger.

God: I shall bestow the Saintess upon you.
Pope: W- wait a moment! This is a boy!
God: That is the Saintess.
Pope: ??????

And just like that, the Saintess was raised by the church for fifteen years without any questions asked…

- Description from Novelupdates

THE LAST MARINE– Series SynopsisThe world ends not with a bang, but with a prayer and a shattered test tube. Marine Quinn Calloway, a man accustomed to the structured chaos of war, finds himself on leave in the deceptively peaceful mid-sized city of New Havenburg when the unthinkable happens. Dr. Lucian Kael, a brilliant and devoutly religious scientist at the prestigious Blackwood Research Institute, driven by a fervent desire to unlock humanity's “divine potential,” makes a catastrophic miscalculation. His experimental “Kael Strain” virus, designed for benign purposes, is accidentally unleashed, and its effects are swift, brutal, and biblical in their apocalyptic scope.

He became a teacher at the best magic academy in the empire.
….For being mistaken for someone else.

Theatrical regression life of an old-fashioned villain (kkondae) who recalled his past life.

“There’s nothing I wouldn’t do for a better life.”

——

Survival in the ‘Otherworld’; a place where only the insane can set foot in.