Douluo Dalu 2: The True God King - Chapter 359: [DD2]:

“Modret, you are the only one that can save the gods from their crisis!”Modret, a legendary gamer known for beating impossibly difficult titles, finally clears Celestial Descent after six relentless months.But just as the victory screen flashes… the world around him collapses.He awakens in an unfamiliar realm — not the game world, but a terrifyingly real universe unlike anything he’s ever seen.A world so brutal, so unfathomably difficult, it makes Celestial Descent feel like a tutorial.Blessed—or cursed—with seven divine draws, Modret receives ancient relics, a mythical bloodline, and a forbidden system: the Cosmic Shadow System.His mission is absolute:Save the gods from extinction.But the world doesn't want to be saved.The gods aren’t what they seem.And Modret’s very existence may be the spark that dooms them all.Because in a world this cruel…Maybe the true calamity isn’t coming—Maybe it just arrived.Power Tags & Tropes:Transmigration • System • OP MC • Cosmic Evolution • Harem • Succubus • Elf • Angel • Vampire • Fox Girls • Dragon Girls • Monster Girls • Slaves • Princesses • Yandere • Primordial War • Divine Realms • Righteous Characters • No Incest • No Rape • No Yuri • No NTR • Death • Demon Lords • Mana

Xiao Ze, who was dedicated to the people and vowed to become a generation of Ming Jun, accidentally fell on a little lady.
The little lady was born beautiful and lovable.
So Xiao Ze accepted his life and got the name of fear.

ps:
①The male protagonist has no concubine, and he is dedicated to serving the country.

- Description from novelbuddy

Gu Nianzhi had no idea how to get the aloof and handsome Major General to fall in love with her.

His eyes were dark and serious. “…Seduce me. If you can do it, I’m yours.”

Gu Nianzhi: “!!!”

- Description from Novelupdates

Julian Weber is an officer in the U.S. Army Corps of Engineers and a graduate of Westpoint Military Academy with a degree in civil engineering. As U.S. involvement in Afghanistan comes to an end, Lt. Julian Weber finds himself involved in a terrorist attack by the Taliban, which claims his life.

However, he quickly finds out that death is not always final as he is reincarnated into the body of a Baron’s son and heir in an alternate Earth set in Late-Medieval Europe. In an era of political turmoil and civil strife, the Baron’s young son is named Regent of the Barony of Kufstein and forced to contend with feudal powers. Will he be able to institute reforms leading his Barony into the age of industry?

Or will he succumb to the pressure of his feudal overlords and a corrupt church that seek dominion overall?