The No.1 Undercover in the Immortal World - Chapter 1 - I Really Don’t Want to Be an Undercover

Luo Yi, a high school dropout in his original world, was isekai’d into the world of the Witcher 3. Starting out as a weak boy named Roy in the village of Kaer, Lower Posada, he was determined to grow stronger, no matter what it took. The first step toward becoming a legend was to kill. And his first kill was… a rooster. ‘You gain 1 EXP.’ Of course, Roy had his own cheat system like all the other isekai protagonists. His first step to becoming a legend started now…

A lost soul from Earth transmigrates to a world of cultivation and finds himself in the body of a playboy noble and complete waste. Except he doesn't have any memories, can't let anyone know he's not the same person and is immediately involved in a conspiracy with a powerful noble family.Luckily he came to this world with a power, whatever he gives to someone as a gift he'll get it back 100 times better.His first target?His new wife, the former top young genius.

[Some chapters contain R-18 content.] [No rape] [No NTR]“I will become strong with this self-tailored game system! What?! Why does it give quests based on my wife's wishes?!”Kyoya got summoned to another world by a beauty whose aim was sole to get a weak husband! So weak that he wouldn't be able to get a harem and seek other women! Such motives quickly exposed beauty's real personality - a yandere - so Kyoya could only have two paths in his new life! Either to get enough strength to run away from the yandere wife or be strong enough to teach her common sense! A few days were enough to break one of his paths, however! But not only that, his special power, All Creation System, seemed to favor a yandere wife instead of him?!*I, Sixth, have published this story solely for webnovel.comI am not responsible for other illegal copies on other sites*#Support authors on webnovel.com by reading their stories here or on the webnovel's app!- Comments and replies of the author are his and only his opinion. - Story is a fiction solely for the entertainment purposes, nothing related to the reality. -

After a disaster, a despised son-in-law quietly undergoes a shocking transformation. With both medical and martial arts skills, a battle for redemption is on the brink of erupting...