MTL - Marshal, She Has Seven Appearances a Week - Chapter 11 They are absolutely loyal to me,

This was a world ruled by summoners. In this world, summoners were the most remarkable existences that took center stage. When the mysterious, higher world was within reach, when the recollection of the glorious Huaxia civilization overlapped with reality, the story of the summoners in Great Flame Republic unfolds…

He is a young man without a spirit root. It is believed that this denies him the chance at cultivation. However, a mysterious lady imparts a Supreme Demon Classic to him and from then on, he starts his path of cultivation.
He undergoes a total transformation to emerge as the most fearsome and powerful fiendish demon in his era, that even immortals and fiends are fearful of him, and saints are at his beck and call.
Mastering the Supreme Demon Classic is the turning point in his life. He is able to unleash his immense and divine power from within, illuminating the entire universe!

- Description from Novelupdates

With the unexpectedly obtained unknown civilization technology, bionic robots, artificial intelligence, quantum mechanical transmission, supercomputers, plasma thrusters, nuclear fusion, these black technologies are constantly being manufactured in Wang Xiao’s hands.

Knowledge is power. With the help of unknown civilization technology, Wang Xiao, who has acquired this knowledge and black technology, has tickets to a better future and a sea of stars.

- Description from Qidian

Two hundred lifetimes! Two hundred miserable deaths! Leon is a 27-year-old man who experienced a rollercoaster of 200 reincarnations within 180 days. He was so unfortunate that he even died once when he was about to masturbate to hentai! Each death carries the regret of his virginity as he keeps dying without getting a chance to fulfill his only wish…losing his virginity. But his luck finally changes after the 200th death, and he encounters the Goddess of lust, who makes him an offer to be reincarnated with a gift. (Ding! System awakening…) (The super Harem system…) (Ding! The host has seen the secret garden of a heavenly beauty, reward!) (Ding! Mission issued: have sex with the sex mistress!) “All heavenly beauties shall be mine!” Join Leon on his journey to enjoy life to the fullest as a virgin who got his hands on a sex hack, conquering heavenly beauties and even Goddesses! Additional Tags: R-18, HAREM, ACTION, ROMANCE, ADVENTURE, REINCARNATION, SYSTEM, Overpowered Protagonist, ANTIHERO, SMUT