Maoyuu Maou Yuusha - Volume 2 Chapter 4, “The useless Demon King who appeared too late!”

The female lead tormented scum without rest, and the male lead showered her with endless affection.Returning to the turning point of fate, she was determined to strike the supreme with her fists and kick the trash underfoot.Those who had once wronged her, deceived her, and taken advantage of her, brace yourselves for trembling!Watch him and her: not wasting their prime years, hand in hand, they compose a grand wedding!

Gu Nianzhi had no idea how to get the aloof and handsome Major General to fall in love with her.

His eyes were dark and serious. “…Seduce me. If you can do it, I’m yours.”

Gu Nianzhi: “!!!”

Chu Qianze turned the pen in his hand in a circle and smashed it against the drum next to him, the loud drum sound resounding around him.

Facing the two people who looked over at him together, he pulled out a polite smile, which was very dazzling under the neon light.

“I’m sorry, you are ruining my eyes.”

Later:

Feeling the gazes of the people around him, the flashing lights that flared from time to time, and a few gasps, Chu Qianze’s mouth twitched: “Is this a new way to surprise people?”

***

Chu Qianze, who had just arrived in the world and was getting acquainted with his surroundings, was inexplicably pulled by a man and was held in his arms.

“I already have someone I like; it’s him!”

Chu Qianze looked at the person blankly, but saw that the other person turned his eyes away, his breath a little disordered.

“..?”

- Description from Novelupdates

It tells a poignant love story. He was the most heroic man in history, and before his death he sang a sad song about a woman; she was the most charming woman in history, and before her death she danced a story about steadfast love. The story of the two had no beginning, only an ending of parting in death. After his death, he became a demon for her, and fought fiercely with the immortals of the three realms. After he was killed, his unique seven souls were hidden in various places by the immortals; she became a ghost for him, and before she passed away, she smashed Meng Po's soup bowl, and her soul flew away. Even so, he still vowed to subvert the three realms, find her in the next reincarnation, and marry her, even if it took a thousand years.