Naruto: The Life Changer - Chapter 32 -:

Having trusted the goddess who promised my return to Earth, I joined the hero's party and defeated the Demon King.So when that promise was not fulfilled, it was only natural for me to desire my own fall into darkness.Harem | Fantasy | Sex | R18 | SMUT

Chen Miao transmigrated to a supernatural world, where everyone had their own profession, such as “Student”, “Fighter”, “Thief”, and so on.After much contemplation, he activated the “Gunslinger” profession.From then on!While the foreign races brandished their claws to invade, and others tirelessly trained their physical fitness and learned skills.Chen Miao silently ventured into secret realms to collect all sorts of materials, crafting Occupation Exclusive weapons like the “Thompson Submachine Gun,” “Falling Blossom Sniper Rifle,” “Inferno Gatling,” “Matrix Sky-Eye Cannon,” and so on....One day, people suddenly noticed that a very unfamiliar Supernatural Occupation had appeared on the city's Combat Power rankings.And in the crowd.Chen Miao, bare-chested under a black suit jacket with sunglasses on and a cigar in his mouth, held two Inferno Gatlings in his hands, looking up slightly at a group of scoundrels in front of him with the corners of his mouth turned up.“Don't wait for me to stuff the gun barrel in your mouth before you admit you were wrong.”

“Rishe Ilmgard Wertsner! I’m breaking off my engagement with you!” “Okay, I understand.” “Huh.” The Duke’s daughter, Rishe left the evening party without delay. In fact, for Rishe, this engagement has been terminated for the seventh time. That’s where her new life starts, after having enjoyed the way of life of a pharmacist and a dressed up knight, she lost her life at the age of 20 and has gone back to the scene where her engagement was broken off. Normally, this could have broken Rishe’s heart, but her mentality became strong. Her past six lives have been busy and fulfilling, she wants to live longer this time around. If possible, she wants to live a life of leisure and squander money… To commence her 7th life, Rishe has set up such a diagonal goal. However, in this life, she will be married to the Crown Prince of a militant nation, who killed her in her past life. …It’s probably better. It doesn’t matter if it’s a former rival country. In her seventh lifetime, she’ll enjoy loafing off at a castle!! Against all her determination, she inadvertently demonstrated the skills she had cultivated in her past lives and garnered attention as a brilliant Crown Princess.

Luo Zheng is at the bottom of the Luo Clan hierarchy, despite his family being the founders of a power refining technique that could instantly defeat any opponent.

One night, enraged by unfair treatment from a family steward, Luo Zheng burns the family records. In doing so, the hidden magic in the book engulfs him and Luo Zheng becomes a new skilled fighter. Fleeing his home and despicable clan, Luo Zheng must learn to harness his powers to rescue his younger sister while his own cousins are on his pursuit.

- Description from Novelupdates