Villain : After Slacking Off, The Protagonist Collapse - Chapter 100

Before getting married, Shen Xi knew that her fiancee had a girl he was secretly in love with for years.
After the divorce, she found out that the girl was her.

Before getting married, Shen Xi knew that there was going to be no love in her marriage.
After the divorce, she found that her ex-husband had married for love.

Before their marriage, her husband had a lot of money.
After the divorce, her ex-husband went bankrupt paying for the huge alimony.

Then, Shen Xi was reborn to the day of their marriage.
Shen Xi would just like to ask, would it kill you to say ‘I like you’??

- Description from Novelupdates

Reincarnation in a game as the Main Antagonist.It could be a novel itself, but that was what I dragged myself into. In the famous and successful game [Princess And Dragon]As if my life wasn't shitty enough, a bastard brought me in that hardcore violent Dating Sim Game and in the body of the worst villain and [Major Antagonist Edward Falkrona]If I want to survive, I have to become strong.If I want to be strong, I have to join the Academy and by joining the Academy, I will meet these guys...Yeah, I'm obviously speaking about the Protagonist, the Main Heroines, the Villainess and all the villains.Am I destined to watch that protagonist build his harem in front of me?!

[Sweet, satisfying, pampering, lots of face slapping.]Zhang Caishen's era had come to an end and he could never rise again, or so they said. But why did he seem to be getting richer and more powerful even if he was now crippled and abandoned by his betrothed?Why was he suddenly so unnaturally lucky?The answer was simple; his new wife!!Lin Alix was not lucky when it came to her family. She was the older, less loved and less talented one in comparison to her younger sister who stole everything from her.But fate intervened and she got lucky when it came to a husband, not only was he wealthy but he loved to spoil her.Suggested by her infinite luck gaming system, Alix married her sister's unwanted crippled husband to be and stepped on the path of a winner in life.She swept up music awards, gained international recognition and got her revenge on her cruel family while becoming Beijing's most envious wife.“Are you crazy, you willingly married a crippled man?” her friends asked.“Yes, but have you seen how much he pampers me?” she asked in turn.“She will cheat on him, he is a cripple and he can't perform his husbandly duties.” others gossiped.Alix looked at the so called crippled man who climbed into her bed night after night and laughed. Sorry, he was more than capable.“Honey, I am here to perform my husbandly duties.” he would always say coquettishly when he flipped her over.This book is participating in the WSA and the author will appreciate all your support.Disclaimer: This is a work of fiction, nothing should be compared to the real world no matter how similar.

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?