MTL - The Cold Prince Dotes On His Wild Wife - Chapter 23 Even your brother was saved

Xue Xi is forced to fall in love at first sight with this dangerous man on their first meeting. With death being the only other option, she makes the first move:

A festive day, a week have the kingdom of Polestin celebrated for their victory with the crimson general leading their army.The soldiers who served have been guaranteed a spot inside a local bar of the capital city.Clank!“The Crimson General despite being a woman is a talented warrior! Three cheers for the general!”“That woman saved me when I needed it! All hail the general!”“She's like a sister to all the soldier! All hail our general!”Every warrior kept on drinking as the news reached them that the war with their neighboring kingdom was over, the ruler raised their white flag as they asked for mercy- being beneath the crimson general.“General! Come drink with us!”“...”The Crimson General, for how she got her name is because of her crimson hair that became the trademark of her legendary name already spreading across the many kingdoms.“I don't drink.” she denies the invitation her comrades and just sat down on the table watching the others enjoy themselves.“Enjoy, general! You might even find a man here that suits to your liking! You know... your type I think...! The general would love a soft-spoken man!”“...No.”“Hah! That's a shame! In any case I heard that you'll be receiving a reward for helping win the war!”“A reward... I wonder what could it be.”...The reward:“You can choose any of my children to marry you. I have the finest royal princes for you to choose. That is my reward.” The King motions to his left side showing his sons who smiles, sitting in their throne meeting her gaze..“Eh?”“My liege, forgive me but this is...”“Are my children not good enough for you? General, I applaud your accomplishment. Isn't marrying into the royal family a good enough reward for the general?” The King asked the general who swallowed the lump in her throat looking at the princes in display.“I choose-!”Everyone stopped and waiting for the girl to continue.“I choose the princess instead!”

Su Yao passed through and traveled to the Marvel world to become a mutant. He was still in the experimental base. He expressed a little panic…

Fortunately, at the critical moment, the mutant ability ‘imitation’ was awakened to imitate the opponent’s ability!
…
Imitation object→Orochi (title: Sun God, Will of the Earth)
Imitation object→Wanda (title: Scarlet Witch, owner of chaos magic)
Imitation object → Sun God…
…
Professor X: “We must find him as soon as possible and guide him to control his power to avoid causing irreparable disasters!”
Magneto: “You are my child???”
Thor: “Brother?”
Loki: “?”

- Description from novelbuddy

Another entry in what you can call the Proto Harem Series: the books written before the Harem Series that take place in the same world.

It’s about a swordswoman whose student is captured, so she goes to rescue her.