Transmigrating into the Reborn Male Lead’s Ex-Boyfriend - Chapter 3: Give a Salute, Shake a Hand

Zhuang Feng is in his last year of high school, and he’s just moved to the city. He lives with his good-for-nothing cousin, who’s always on business trips falling for get-rich-quick scams, and his Saozi (sister-in-law), who tries to make his life miserable as much as possible. There’s one upside, though; she. is. freaking. hot. But one day, he found a piece of her underwear in the bathroom…. And unfolded a series of events that will turn his life upside down.

- Description from Novelupdates

Shao Qing’s only regret in life is that she blindly fell in love with a worthless man. She gave up everything for him, but in exchange was run over by his conniving mistress when she was close to her delivery date. Fortunately, Heaven left her a way. Crimson rain fell from the sky, the end of the world arrived, she resurrected in the morgue and gave birth to a little monster. Turning into a half human, half zombie freak; her son neither human, nor monster; they have no other choice but to rely on zombies’ crystal nuclei to develop their special abilities and continue living. This debt, she’ll definitely repay that cheating couple!

Max Winchester suddenly found himself in the world he hated the most, Xiao Bai novels.Not only was he not the protagonist, but he became a villain, and the worst thing is, unlike other Villains, he was not transmigrated at the beginning of the novel but rather at the end point of his arc.His death was already decided; the Protagonist had already firmed his foothold in the city.The most important thing for the villain is their family already pretty much disowned him; the sisters who used to dote on him were ignoring him.His business was in a crisis as he was just days away from declaring bankruptcy as his capital chain was broken.He found himself standing in front of his childhood sweetheart, who came to him to break off their engagement.When he was in the desperate situation, the compulsory golden finger of every traveler popped in.[Ding! The Counter-Attack System is being bounded][Ding! Protagonist attack on host detected...Counter-Attack is being triggered....][Ding! Congratulations to the host for gaining {Absolute Dodge}...][Ding! The protagonist gaining strength is detected...Counter-Attack is being triggered....][Ding! Congratulations to the host for receiving the SS+ Calamity rank power base....][Ding! Protagonist attacking your company detected....Counter-attack is being triggered....][Ding! Congratulations to the host for receiving 1 Trillion UC market value company....Congratulations to the host that Protagonist's most loyal brother who helped him in attacking your company stepped on shit and died....][Ding! A protagonist's childhood sweetheart hatred towards you is detected...Counter-Attack is being triggered....][Ding! Congratulations to the host for receiving +100 (Only one) Favorability of Protagonists childhood sweetheart....][Ding! Protagonist trying to blackmail your sisters detected....Counter-Attack is being triggered....][Ding! Congratulations to the host for receiving +1000 (Not even death do us apart) favorability of his mother....Congratulations to the host for receiving {Harem protection halo}....Congratulations to the host that the Protagonist lost his PP right....Congratulations to the host for the Protagonist lost half of his mind....]And so he goes on his relaxing journey of the Counter-Attack.

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?