I Have Become A Demon God. Did You Just Ask Me To Be A Minor Villain? - Chapter 71

Aomori, who has a monster-fighting system, came to the world of One-Punch Man and gained the ability to enter various instances.

Therefore, “Founder of the Hero Association”, “NO. “And other titles fell on him one after another.

Comprehensive flow, the main world One Punch Man.

Completed dungeons so far: Pokémon – Demon Slayer – Sword – Pokémon – Digimon – Spell Return – Yokai Comprehensive World (Girls that Noragami Inuyasha can see, etc.) – Pokémon – One Piece-re0-Dragon Ball wait.

- Description from novelbuddy

When a fantasy kingdom needs heroes, they skip the high schoolers and summon hardened Delta Force operators.Lieutenant Cole Mercer and his team are no strangers to sacrifice. After all, what are four men compared to millions of lives saved from a nuclear disaster? But as they make their last stand against insurgents, they’re unexpectedly pulled into another world—one on the brink of a demonic incursion.Thrust into Tenria's realm of magic and steam engines, Cole discovers a power beyond anything he'd imagined: magic—a way to finally win without sacrifice, a power fantasy made real by ancient mana and perfected by modern science.But his new world might not be so different from the old one, and the stakes remain the same: there are people who depend on him more than ever; people he might not be able to save. Cole and his team are but men, facing unimaginable odds. Even so, they may yet prove history's truth: that, at their core, the greatest heroes are always just human.

The most domineering, arrogant and beautiful Omega in the Tarot Empire, Le Yao was arranged to marry General Xu Yao, who was known as the ruthless King of Hell.

Ling Mohan is an extremely aggressive and domineering Colonel of the No.1 Military Industry Group.

One day, a woman who comes out of nowhere hits him in the head! It turns out that the two are acquainted and had a fling three years ago, after which Ling disappeared, leaving a note asking her to wait for him.

She, however, married another guy, who “died” as mysteriously as Ling Mohan disappeared.

Now fate has arranged a meeting for them on a narrow path. He is determined to avenge her with the craziest passion, and she is determined to torture him with the most seductive flirtation. When beast and beauty meet a second time, who will excel and triumph?

- Description from Novelupdates