Become the Strongest Guide, the Ruthless Commander Asks for Guidance

[Whistle Xiang + Beast World + 1v1 + Time Travel + Male Cleanliness + Female Strongness + Marriage First, Love Later] The most powerful magician in the Magic Continent failed in the battle with the Demon King and traveled three thousand years later to Ning Su, a useless F-level guide in the Interstellar Federation. She was also forced to marry an SSS-level commander due to political conspiracy. Ning Su just wants to earn enough FUCK YOU MONEY quickly and continue her training as a great mage. Who would have thought that he would actually take on the important task of human survival and evolution, and human beings are evolving into orcs! The heroine has a long-term personality. She is a smiling tiger when she is not provoked, but when provoked, she is kicked to the core. The male protagonist is cold and irritable on the outside, with explosive fighting power, but is arrogant on the inside and only wants to have sex with the heroine.