From Today, I'm a Player - Chapter 236. To Advance Pt. 3

(Immortal Cultivation+Meeting a Perfect Match+Shura Field+Invincible Flow+Upgrade Flow+Playing the Pig and Eating the Tiger)—What is cultivation? When I think back to the past, cultivation was, as a baby, kicking my legs over and over again—kicking on the bed, kicking on the ground, kicking every single day. Cultivation was, as I grew older, swinging my sword again and again—slashing here, cutting there. Cultivation became, as I matured, the repeated harmony of yin and yang—busy tonight, and busy again tomorrow night. … My name is Xu Ming. I have never cared about the stipends given to me by those sect masters, noble ladies, or princesses.I said to her, “Can you give me a room closer to yours? I need to report my work to you at any moment.” Even if I accomplish nothing every day, I just want to watch how she cultivates. I…

Divorced, disowned and down on her luck, Shui Anluo was determined to move on and live a peaceful life… That is, until her ex-husband somehow managed to find out about her baby. Now, he’s insisting that she should move back in with him. Soon, he realizes that he cannot live without her… But the road to marriage is bumpy, and Shui Anluo isn’t too willing to go through with the heartbreak again. Can she take back everything that belongs to her? Will she find the courage to jump in and fall in love again?

Bai Aoxue, the best mercenary in the 21st century, is accidentally sent back to the Chengxi Dynasty in Great Continent due to an explosion in her mission, and trapped in the first daughter of Prime Minister. After her rebirth, she is set up by her father to marry the 5th prince Jun Yeyan who wears a mask all day long.
In the face of bloodthirsty enemies, discord between brothers, collusion among courtiers and invasion of enemy state, can Bai and Jun resolve the crises? What will happen to their political marriage? How will the fierce battle for the throne end?
With many twists and turns, the book brings you to experience palace revolution, love and hatred thousands of years ago.

- Description from Novelupdates

Long Fei, a cross-timer and doujin, is an otaku who traveled to another world. In the original world, he was an otaku fan of Gundam and military science fiction.

He died in an accident and was reincarnated into another world. The Gundam works he had read before his death and the techniques in various military novels could be brought to another world.

How would he use the Gundam that Long Fei created? What waves can be caused in this different world?