Elf Tensei Kara no Cheat Kenkoku-ki - Chapter 3Book 2: -2: To the Fire Fox Village

Accidentally entered an ABO novel, and before Mu Er realized that he had an extra organ, he was confused and completed the first great harmony in his life with an Omega.
But when he woke up, the man had disappeared, and Mu Er thought it was just a dream.
Unexpectedly, a few months later, when Jiyou was pointing at the handsome face of the man in the news to her excitedly praising the most outstanding Omega on the planet, she was suddenly tied to that man.
Mu Er was nervous and puzzled, she asked, “Sir, you…”
The man unbuttoned his suit, pointed at his slightly long belly, his face flushed, and he said to her, “responsible.”

(Privately set like a mountain) (O pet A) (Mines clearance: the author’s female lead)
One sentence introduction: Mr. Ba came to me with the ball to take charge
Purpose: Life is precious, and we must be responsible for it.

Content tags: childbirth sweet text through books
Search keywords: protagonist: ┃ supporting role: ┃ others:

- Description from novelbuddy

Transmigrated into a flesh ball, my father swung a sword to chop me, why does this storyline seem so familiar?Have I become Nezha?A great cultivator from the Earth's end-times era transmigrates into Nezha. Watch as the young man navigates the prehistoric world, cutting through illusions, slaying dragon sons, subduing the Dragon Palace, and breaking heaven's barriers!

Taufik D'Archy was just an ordinary Boy who lived an Ordinary Life in an Ordinary environment.The Only Thing That seems Unordinary In His Life Was His Father's Sudden Disappearance.But Someday, He Wakes Up And Finds That His Ordinary Life was Destined To Change With “A Daily Login system” That suddenly Appeared in his life.[The World Is Not Simple As The Master Thinking][Many Danger Lurking In The Darkness][Many Hidden Wolrd For Master To Explore][And Many Mystery Masters Have To Uncover]With The power he got from System Can our MC Overcome His Trial? let's follow his journey to Become the Strongest Existence as he Overcomes the Trials one by one...#SlowPace #Don'tHaveMuchAction #FastRomanceEnglish is not my first language, so sorry if there are any typos, spelling, or grammar mistakes, but... haa~ No, forget it, I will keep trying to learn and be better, Thank you

One day, Luo Jian woke up from his sleep and found himself in a locked chamber where the door and window were all sealed. A note with a few lines written on it was tacked to the wall: “Escape from this room within an hour, otherwise, you will die.”

There is a sequel called Reincarnation Night (轮回之夜) that takes place in the same universe but has different main characters

- Description from Novelupdates