It was a miserable life.
Despite possessing the power to purify demonic energy, Irene was judged to be of the lowest rank and spent her short life receiving neither welcome nor love from anyone.
She died all alone in her final moments, but for some reason, she returned to the past.

Specifically, to right before she met her husband, Michael, whom she ruined.

'The first mistake I must correct in this life.
It’s simply... not getting involved with Michael.'

*

However, Michael is strange.

“I... need you. Please purify me.”

Not only does he ask for purification first, but he—a paladin who is no different from a priest—comes to visit me every night.

“Irene. My pair. My wife.
Tonight, I want to receive your purification. For a very long time, slowly.”

Wait, you were a paladin who didn't even want to touch a single finger of mine in your past life, weren't you?

*Pair: A term used to refer to a purifier and a knight who have agreed to a contract.