MTL - Divine Brilliance - ~ 1138 appears to be a clue

Tang was cheated by her husband who got another woman pregnant. Tricked by the mistress and mother-in-law, she had been criticized by the public and kicked out of her husband’s family. Then, there comes Su, who showed up like a saviour for her, prevented her from all the difficulties that her ex’s family made to her. He held her in his arms, haughtily said to them, ‘It will only be me that can bully my girl! Anyone who dares to bully her is opposing me!’ She was shocked. And her mother-in-law said she was a wanton woman. After that, he was always protecting her, treated her preciously. He made her realized that even the second marriage could also make her so happy!

- Description from Novelupdates

I was reborn and began enjoying the high life at the Fallen Pavilion as the pampered young master of a prestigious family. To take me home, my lovely aunt personally visited the VIP room. I could even make a threat to have the immortal ice queen dance for me under the moonlight and captivate me with her beauty in the evening. Even the notorious foxgirl fell in love with me and followed me across the world like a loyal puppysimply because I was so handsome.But... Isn'tthistoo good to be true?

What should I do after passing through?

Mo Jun’s answer is:

Life will be meaningless if you don’t work hard to enjoy it.

Then play music, then dance.

(Note: This book is a colleague of Qin Shimingyue, classified as light novels, not historical texts.)

- Description from novelbuddy

As Orson read the novel written by the girlfriend who had left him, he gently remarked on how terrible the story was. But then, noticing a foul smell coming from the kitchen, he went to investigate. He realized there was some kind of gas leak. Already furious about being dumped, Orson became even angrier at the state of his kitchen, and in his rage, he hit the light switch with a powerful punch. Naturally, the explosion that followed killed him instantly, and Orson passed into the afterlife.After spending some time in limbo, he found himself reincarnated in an unfamiliar world. However, he quickly realized he had been reborn inside the cliché-filled novel written by his ex-girlfriend. As if that wasn’t enough, he had ended up in the body of Neonidas, a useless duke who was also the fiancé of the story's villainess.____There may be a bit too much swearing and slang in the first chapters, but it gets less afterwards.There will be no yuri, bl or ntr in Neonidas(MC) harem