MTL - Please Kill the Demon - ~ Is this okay?

She and the blind date met man get married soon. She did not expect that the "ordinary" new husband turned out to be the CEO of the company she worked for.

In a realm of four kingdoms, two were on the verge of war. Prince Eirik, the fourth prince of Valeidio, a Ferre whose beauty could rival the gods, was thrust into a marriage alliance with Prince Kaelix, the strong and proud heir of Zephyros.Both princes were determined to fight against the fate that had been forced on them. Eirik resented being used as a pawn, while Kaelix saw the alliance as a threat to his freedom. As they clashed in a battle of wills, their encounters became a constant push and pull of resistance and pride.But as the pressures of duty mounted, the lines between obligation and desire began to blur. In their struggle against their forced union, they found themselves drawn toward each other in ways they never expected.Would their bond become a weapon against the war or would their kingdoms' rivalries destroy any chance of love before it could take root?

After being married and in love for five years, everyone praised the Third Imperial Concubine as both virtuous and magnanimous for her willingness to accept all of her husband’s beautiful concubines. However, behind her back, they mocked her for being a useless woman who hadn’t borne any children for her husband yet.

After reincarnating and returning to the harem, Xiao Wan decided to be ruthlessly tyrannical and not be lenient to those who offended her. She would stay on her guard and find a new husband.

However, can someone tell her who this shameless man was? He was formerly the most honorable yixing1 prince in Dong Ming. However, he tossed aside his kingship to become a merchant and quickly became the wealthiest person in Dong Ming.

1 Prince who has a different last name from the Emperor. He is not a prince belonging to the Emperor’s clan.

- Description from Novelupdates

The protagonist is an accidental time traveler - he didn't wait, didn't guess, only dreamed, but ended up in history, which he didn't pay much attention to. He was just lucky with his lineage.Ryo is a new member of the Nara clan, from the Uzumaki lineage on his father's side, and it so happened that he was born not at the beginning of the known plot, but more than three decades and two world wars later. Now he has to figure out how to get out of this situation however he can.