Naruto: Starting with Infinite Chakra - Chapter 163: Twin Blades

Our straight (?) bottom woke up ten years into the future and found himself on the bed of his childhood friend… At the start, the bottom was shocked to his very bones, but he soon quickly accepted this premise and found the whole situation to be rather amusing. Precisely then, the bottom once again went back to his timeline — back to when he and the top were just platonic childhood friends.

The unparalleled Demon King Ye Xuan, who was able to heal the death or the living alike and holder of the medicine Holy Scripture, was betrayed and killed by his fellow Demon Kings. But he reincarnated into the body of Ye Xuan, the prodigal son of the Ye family and vowed to himself that he would return to his peak and take back everything that belonged to him!

- Description from Novelupdates

After a mishap, he accidentally became the protagonist. Unexpectedly, he and the villain cultivated together and they actually became dao companions.

“If you want to be with me forever, there is only the supreme road of achievement. Are you willing to travel with me?”

“Of course I’m willing.”

……

In Li JinZhi’s view, the protagonist and villain’s coexistence should be like swords and spears facing each other, a feud.

But when he crossed into the novel and became the protagonist; when he placed all his trust in the man who was supposed to be the villain; when the other side revealed some unusual feelings to him; when he held Ye Yu’s hand to the altar, he discovered that the relationship between the protagonist and villain isn’t as dull as he imagined.

When the monotonous pattern is broken, the feelings of resentment turns into sharing a common destiny.

- Description from Novelupdates

“I, Tang Li, will only marry the most powerful and influential man in the world!”The powerful man, Song Boyan, was the man she was clinging onto now. The man was holding a cigarette between his fingers. He touched her chin softly.“Do you know what you are talking about?”“I want to be Mrs. Song.”Mr. Song laughed aloud.“You do like to brag. Aren’t you afraid of its consequences?”He received a kiss just as he was done talking.Her previous life was awful because she had loved the wrong man. After her rebirth, she had made a vow that she wanted to set things straight for herself. However, she had clung onto a powerful man in the end. Their marriage was rather chaotic too.“Sir, Madam has ruined the eastern wall of the manor.”“Protect her well. Don’t let her hurt herself.”“Sir, Madam said that she wants to run away from home with the young master.”Mr. Song sighed and put down the documents in his hands.“Send them to wherever they want to go. Don’t let them get lost on the way,” Mr. Song ordered.