Saving Nora - Chapter 1: Returning With A Counterattack

“Shit, why this guy!?”Of all the unique characters he could’ve transmigrated as, it had to be the bastard instructor.Vanitas Astrea.A third-rate middle game boss, who was dismissed from the University after severe allegations, losing his teaching profession and ultimately, exiled from the Empire.“.....How did I even get here!?”Vanitas must now circumvent his way around this new world, confront his past, mend broken relationships, and prevent looming tragedies that would lead to his demise.

After waking up, Han Zhao traveled to a world where kingdoms were fighting for hegemony and demons were rampant.

The family of magic soldiers is high above, and the rich family of spirit beasts overlooks all living beings.

The inheritance fault of the martial arts system is gradually declining.

Han Zhao’s qualifications are mediocre, but he has a reminder simulator.

After the krypton gold simulation, choose one of [entry], [attribute points], and [life experience].

[You have practiced martial arts for eight years, barely getting started. Twenty-five years old, married and had children. Fifty years old, died of illness. 】

[You have practiced martial arts for a year, and you have successfully started. At the age of twenty-two, you were seriously injured and died of poisoning during a gang turf war. 】

 …

[Life Simulation]: Basic entry, simulate a future life.

[Swords and Swords]: White entry, three times the qualifications of swordsmanship and swordsmanship.

[Basic Master]: Green entry, the speed of basic martial arts practice is doubled, and the probability of breaking through the upper limit is greatly increased.

[Late Blooming Talent]: Blue entry, aptitude improves with age.

[Body training maniac]: Purple entry, practicing body training skills is making rapid progress.

[Alchemy master]: Orange entry, alchemy qualification increased a hundred times.

[Peerless Fairy]: The red entry, looks more and more beautiful, and has a charming effect on the opposite sex.

 …

[The 72nd floor of the health regimen; special effects: physical fitness (hidden special effects: immortality, true sun, nirvana holy body, five-color light…)]

As long as there are enough entries, the power is mediocre, and the simple and easy-to-learn health-preserving skills can also be practiced into peerless magic skills.

- Description from novelbuddy

As a walk-on, he had been the mistress of his sugar daddy for three year. However, they only had met each other for a few times.
As a boss, his sugar daddy had tons of lovers.
The walk-on: The cake shop is the only thing I love in this world. Lovers? Never want one.
The boss: No problem. Nobody wants that.
Then, they fell in love with each other…
Shameless playboy x heartless rogue
1v1, this is not a decent love novel.

- Description from Novelupdates

agreed. He thought they might just talk, have a few drinks, and that nothing significant would happen. However, she invited him to a hotel, and they spent the night together.The next morning, she told him it was just a one-night stand and that they would probably never meet again. She said goodbye and left. Ronan also decided to treat it like that.The next day, at his college's hosting club, Ronan was given the responsibility of hosting that year's annual function, where they had invited a singer.When Ronan looked up at the singer, he was shocked—it was the same woman he had spent the night with. After checking her history and social media, he formed an impression of her. Every picture she posted was in revealing clothes, bikinis, or almost nude outfits.He concluded that she was just a promiscuous woman, likely driven by lust, and that she had probably chosen to spend the night with him simply because she found him handsome.Understanding this, Ronan decided to focus on his work. That morning, she had made it clear that it was just a one-night stand and nothing more. He would treat it exactly that way and carry out his responsibilities.Protagonist has System---No NTRIt's Harem, with many girls but The Singer is Main Heroine.