I, The Celestial Dragon, Rule The Heavens Through The Double Gate - Chapter 12: Be My Blade.

In a modern world where cultivators need a place to cultivate or vent their boredom, there are private businesses that set up instance dungeons with the aid of technology and cultivation magic to enable cultivators to train and commoners to experience the life of cultivation. They are called dungeon suppliers.
Xie Jin's one and only dream was to be a dungeon supplier and when his only relative passed away, the relative's inheritance gave him a plot of land and surprisingly, a 'System' Module which the relative had previously used.
With the help of the system, Xie Jin decided to pursue his dream of becoming the number one dungeon supplier.

[Warning: Mature content, lemons, comedy, MILFs, NTR, and a villainous protagonist!]_____[Ding! Congratulations, Villain! Your survival chance is 0.01% unless you NTR every hidden boss in this world. Start now or perish!].....James Tanner’s life could be summed up in one word: boring. After barely a week of being a rookie cop, he met his end courtesy of a speeding red sports car.But death wasn’t the end. It was just the beginning.When James woke up, he found himself in Aurendral, inhabiting the body of a rich young master who had spent years blind due to a mysterious condition.Fortunately, the blindness vanished when James merged with the body, leaving him with perfect vision—and one massive headache.[Ding! Issuing First Death Mission: NTR the hidden boss in this region within 90 days… or perish.]What choice did he have? Forced into the role of a scheming villain, James Tanner was about to shatter conventions, steal hearts, and become the strongest and most fearsome seducer this world had ever known.Because if he was going to be a villain, he might as well be the best.[Note: MC takes other guys' women, they don't take his.]

After self-sacrificing, Yuri transmigrates from an apocalyptic to an interstellar era, inhabiting a disabled girl's body. She enters a joint marriage with a similarly disabled SSS-tier alpha, gaining a share in an ore planet. Determined to help her husband regain leg function and reclaim his SSS-rank, their journey together unfolds.

Lucas Tanaka, a 30-year-old Japanese man who gave up his dream of becoming a soccer player, lives a monotonous life in Tokyo. After an act of bravery that results in a fatal wound, a glowing screen appears in front of him. [The skill “System” has been granted.] [“System” unlocked.] [The skill “System” has given to you the skill “Supernatural Resistance”.] [“Supernatural Resistance” unlocked.] [Thanks to the divine effect of “Supernatural Resistance”, from now on death is no longer a problem for you]. When Lucas wakes up, he finds himself on a vast soccer field, back in his youth, in the middle of a match with his childhood friend. With new skills and an unexpected chance to relive his dreams, Lucas is faced with the opportunity to redefine his destiny, but first he must overcome the normal challenges of a young soccer player, such as becoming a starter, winning the regional championship and become a professional soccer player! [The hidden function of the skill “Champion System” has been unlocked.] [The skill of “Replicator Genius” has been granted]. [“Replicator Genius” unlocked]. __________ What you can expect: Action, well-developed relationships, an MC who has attitude, a complex system that evolves, an MC who gets really strong, Slice of Life, manga content. The MC is proactive, he knows how to adapt, but he’s not a genius who knows literally every possible future for all his actions.