Crownless Reincarnation: New World? Nah I'd win - Chapter 99: [Side Story]: Elore and The Church of Goddess Morana.

[Free New Book] The predecessor of the Immortal God reincarnate and reborn in the third year of high school. Based on the many exercises in the memory of previous life, he practiced again from scratch. There are many traces and treasures left by his previous life. To explore, he has to re-enter the peak of the earth!

- Description from Uukanshu

When she agrees to help her friend out in a blind date, she never imagined it would lead her to the one man she'd hoped never to encounter again—her child's father.Her first instinct? Run. But life has other plans, and she finds herself inescapably drawn back into his orbit as his company's legal advisor.Just as she's poised to resign, escaping the tangled web of personal and professional ties, she's cornered in his office by the man who is as relentless in business as he is in pursuit of her heart.In a game of cat and mouse, she is faced with a choice: succumb to the undeniable chemistry that still sizzles between them or risk it all to maintain the distance she's fought so hard to keep.

It’s a affair between a loyal dog servant and his master.

- Description from Novelupdates

A back-to-basics(?) monster evolution novel.