MTL - Warhead Pet Hamster - Chapter 15 Twins' war pets?

A back-to-basics(?) monster evolution novel.

Ian was an ordinary guy on his way to work when he suddenly found himself in a strange and dangerous world ruled by dark races like vampires, werewolves, and demons. Transmigrated into the body of a lesser vampire, Ian must quickly adapt to his new reality where survival is a constant struggle.Just when all hope seems lost, Ian discovers he has a unique advantage: The Strongest Body Customization System, which allows him to modify and customize his body by consuming biomass. With this golden finger, Ian starts to turn the tables, designing bone claws and other enhancements to give him an edge against the terrifying werewolves and other supernatural threats.But as Ian learns more about the Curtained Imperium and the rigid hierarchies of the vampire race, he realizes that defeating his enemies is only the first step. To survive and thrive in this dark and brutal world, Ian must rise through the ranks, uncover the power of his system.Need to fly? Customize a pair of angel wings!The body is small? Add hundreds meters of height and become bigger than Godzilla!Need a weapon? Customize bone claws and kagune on the spot!

Mu Xiaoke was a fool in his previous life, he and his older brother love Fu Jiayun. He is a little mute who’s a total failure, how could the other person choose him? He shouldn’t have competed with his older brother, or married Rong Yanzhe as a substitute for his older brother, otherwise he wouldn’t have died alone in the wilderness with his corpse never to be found.

God gave him a chance to be reborn. When he returned to his first year in senior high school, he knew that he could not repeat the same mistakes again. He had to stay away from his older brother, Fu Jiayun, and Rong Yanzhe. The person who treated him as a stand-in for his older brother and kept abusing him. This time, he didn’t ask for anything, as long as he could live well.

It just didn’t occur to him that when he kept a respectful distance from those people, they instead came to pester him endlessly. He was in panic and unexpectedly provoked another man who shouldn’t be approached…

- Description from Novelupdates

After rebirth, Long Xiaoyuan went into raptures because he was in poor health in his previous life. However, he suddenly found that his soul was in the body of a fatuous and self-indulgent emperor.

This fatuous emperor put sycophants in important positions while executed the faithful and the upright!

This merciless emperor married the son of a general and kept torturing him!

How could he be reborn as such a person?

The empress was pretty handsome and smart. Since the former soul of the emperor didn’t cherish such an excellent man, Long Xiaoyuan would love the guy and save himself by the way!

- Description from Novelupdates