Miracle Doctor Baby - Chapter 50 - 49

Xin Yun, a sarcastic young man, traveled to an unknown world by chance, but lost his chance to become the strongest because of his obsession with women... or sex. In a collision of the powers of nine powerful men, an incredible thing happened. Xin Yun was reborn back to the time when he traveled to the Isekai world. A fantasy journey is about to begin... [The comic adapted from this novel is popular all over the world]

[Powerfulcouple]The entire Yong City knew that Eldest Miss Su of the Su Family had a malicious nature and a scandalous reputation, acting outlandishly day after day, much to her family's disgust.Worthless dad: “I certainly do not have such a daughter; my only daughter is Xinyan.”Old Madam: “Shameless thing, you've completely thrown the Su Family's face away.”White lotus younger sister: “I'm sorry, Sister, we were never people from the same world.”Scumbags: “Trash that can't show their face in public, lowly people don't deserve to enter our circle.”However...Before Eldest Miss Su had expressed her opinion, various bosses couldn't hold back any longer.A certain Film Emperor: “Picking on my boss—tired of living, are we?”A certain Association: “Mr. President, please instruct, bankruptcy or banishment?”A certain Group: “What's the Su Family? Not even worthy to carry the BOSS's shoes.”Bigwigs from various fields: “Hello, sister-in-law!”Su Ran: “?”While the outside world was marveling at the continuously revealed identities of Eldest Miss Su, the man who was legendary for his mystery and restrained self-discipline swept her into his embrace.“Little ancestor, is there any identity of yours that I don't know about?” the man's voice was seductive, lazy, and casual.Sister Ran curled her red lips slightly, smiling brightly: “Your wife.”

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

A man reincarnates in the body of a boy who suffered a tragedy, only to realize that he is in the world of My Hero Academia. What's even stranger is that his quirk seems to have the abilities of Nen and Haki.