MTL - My Star Teacher - v2 Chapter 907 [Yiyi's Dad 1] (From here on postscript)

The story of “Lustful Paradise” is a sultry tale of passion and desire.Lucifer, a young and handsome college student, is in the throes of a sexual revolution. His lustful eyes land on anyone who catches his fancy, and he is not afraid to pursue his targets with reckless abandon. But Lucifer is not satisfied with this. He is looking for a bigger challenge, a greater conquest, and he is determined to find it.But there is more to Lucifer than meets the eye. An unknown secret lies hidden beneath the surface. It is a secret that will change everything and a secret that will bring chaos and destruction. And it is a secret that will soon be revealed in the most unexpected of ways.Will Lucifer's lustful desires lead him down a dark path? Or will he find redemption and love in the arms of someone unexpected? Only time will tell. But one thing is certain: Lucifer's lust will not go unquenched.

Protagonist travels between different anime worlds to right wrongs and uncover his reason for being along the way.

- Description from Novelupdates

Born to a mother on death row and subsequently raised in the prison, Gu Tianyou did not have what most people would consider a ‘normal’ childhood. Instead of the usual math and history one might learn at a public school, he had criminals for tutors. He received regular lessons from notorious serial killer, Dr. Miao, and earned protection from the respected Master Long.

With such a unique background, Gu Tianyou graduated from the Police Academy with little difficulty, and was assigned as an undercover cop. But will the skills he learned from a lifetime of being cared for by criminals be enough to help him take criminals down?

An ordinary man, Ye Chen traveled to the cultivation world by accident and became a phenomenal immortal of that era. After 3,000 years in the cultivation world, he was betrayed and traveled back to earth through a spatial tear.Five years had passed in the mortal world, but when he came back with his abilities, he found out he now has a daughter!