Tondemo Skill de Isekai Hourou Meshi - Chapter 9

He Lang died by his own hands for the sake of his imperial younger brother’s ambition, whom he loved. He was offered to be reborn in exchange for giving up his past romantic feelings. Reborn without the burden of his romantic feelings, he brings with him a manual to new worlds. He wholeheartedly followed the instructions of the manual to complete the tasks, not knowing that the originally slag gong was blackening…
He pleaded to his affectionate Emperor brother to release him, he pleaded to the paranoid prisoner next door, but until the end he remained baffled.
In the end, he discovered that the full name of the manual was – “Slag Shou Cultivating Manual”
Σ (っ ° ° °;) っ!

- Description from Novelupdates

Felix Ariel, a typical Floridian, found himself transported to a mysterious kingdom in another world. However, a misunderstanding led to Felix accidentally killing the king, resulting in his untimely demise.Following this tragic event, Felix's spirit encountered a mysterious being who identified as Felix's ancestor. This entity claimed that Felix had been cursed by an unknown individual. For Felix's safety, the ancestor bestowed upon him a system for self-defense.Upon returning to Earth, Felix realized that he would be transmigrated to the alternate world at noon due to the lingering curse. To prepare for this unexpected transmigration, Felix relied on the system, which required him to gather oil and gold to enhance his abilities.Thus began Felix's quest in the other world. With his system, he brought firearms and an ambition to spread liberty... for prosperity and freedom.

In the Comprehensive Martial Arts Continent, five great empires vie for supremacy!In the jianghu, Land Immortals reign supreme, their power overshadowing all living beings.However, when Bai Chen descends upon this world, everything changes, and the entire narrative takes an unprecedented turn!Feilu reminds readers: This novel and its characters are entirely fictional. Any resemblance to real individuals or events is purely coincidental. Please do not attempt to imitate.

Lu Liangwei wakes up to find herself transmigrated as a supporting character in the novel she had been reading a few days ago. According to the novel, this character has everything—beauty, wealth, status—except brains. Before Liangwei had taken over, she even went as far as to hang herself for the male protagonist that she loved: the Crown Prince as well as her sister's lover. Now that she has become a "brand new" person, it is time for her to turn her life around with charm and wit! She will get everyone to fall in love with her, even the Crown Prince's uncle—the Emperor! Who needs a prince when you can become the Empress herself?