National Forensic Doctor - Chapter 1225 - 1153: Into the Formation

At 79, Adom is an old mage who has known nothing but illness and regret. When the world finally burns and all hope turns to ash, at the last beat of his fading heart, a mysterious being appears in the dimming light with a simple question:“If you could try again, would you?”What's left to lose when you've already lost everything?A handshake seals the deal, and Adom wakes up on his old school grounds, sixty-seven years in the past. When everything is still possible. A second chance with all his knowledge intact, his memories preserved, and his youth restored.This time, Adom wants it all: to feast on food he's never had, to travel a world still full of wonder, to finally live the life he dreamed of. There's just, as always, one small catch—he needs to prevent the end of the world first.But as Adom will soon discover, changing history might demand sacrifices even greater than watching it burn...

As a walk-on, he had been the mistress of his sugar daddy for three year. However, they only had met each other for a few times.
As a boss, his sugar daddy had tons of lovers.
The walk-on: The cake shop is the only thing I love in this world. Lovers? Never want one.
The boss: No problem. Nobody wants that.
Then, they fell in love with each other…
Shameless playboy x heartless rogue
1v1, this is not a decent love novel.

- Description from Novelupdates

Marcella Valemont was a villainess wrapped in silk and thorns.The alluring, selfish daughter of the High Priest, she was forced into a cold marriage with the Black-bellied Duke Berith Montclair. She longed for power and would stop at nothing to claim the crown, even if it meant seducing the incorruptible Crown Prince Lucian and clawing her way to the throne into becoming the Queen.Until it all burned.Her ruthless schemes led to betrayal, rebellion, and ruin-- an empire on its knees, a virtuous king destroyed, and a rebellion led by the man she discarded. Desperate and full of regret, she barters her life with the Duke to save Lucian.In an interesting turn of events, Marcella gets to go back in time to fix her wrongs, save the man who was ruined because of her and hopefully stop the bloodthirsty rebel Duke Berith.She finds herself reborn as her 18-year-old self with a chance for a do-over and vows to do better this time.But the past does not forget. Nor does the devil in her husband’s skin.Secrets long buried begin to surface, and Marcella discovers that her former husband is far more than he seems—a man cloaked in darkness, harboring a purpose that threatens everything she holds dear.They say second chances come with thorns and to fix the past, she must trust the devil who destroyed it.

Officer, if I told you this just was a “Healing-type Game,” would you believe me?