Within a Hollow Heart - Chapter 145: Volume 2, : "Veil of Shadows"

“It’s true… So why does no one believe me?”Sometimes, I play small pranks, but they’re really just small ones.I’m not the mastermind at all.

This legend tells the tale of the protagonist, Kuroki summoned to protect the demon king from the hero.

Kuroki, unbeknownst to him, suddenly came to another world. He was summoned by the demon king, Modes. The territory which the demon king overrules was in the midst of being destroyed because of the hero. He had no choice but to bow before Kuroki.

“Please save us, Savior Dono!”

Kuroki nodded, deciding to save the demon king due to an unexpected turn of event.

Tan Yue, a public relations person on earth, travels through parallel time and space.

“Tan Yue, let’s get a divorce. I’ve made up my mind, so don’t beg me anymore.”

“OK then.”

If Tan Yue wanted to live a good life, the first thing he did was to get a divorce.

- Description from novelbuddy