Naruto: Talent Analyst - Chapter 147: Regretful Orochimaru

In a world where ancient magic has been resurrected. Atlas, an orphan from Earth, finds himself transmigrated into the body of a child and possesses the rare Void Magic. Harboring such power, he’ll walk the path of becoming stronger and stand free in the sky above all existence!The tale of the Legendary Void Walker is about to begin!The cover doesn't belong to me! The title was done by TiramisuAndCoffee!

Arranged marriage? Or a child first and then love?After being defeated and captured, the dragon slayer Leon became the prisoner of the Silver Dragon Queen. Facing certain death, Leon made a desperate move.In a twist of fate, he impregnated the queen right before he was supposed to die.He thought that by doing this, he could condemn the queen to live with the shame for the rest of her life, fulfilling his mission as a dragon slayer.But two years later, when Leon opened his eyes, he found a little dragon girl with a tail beside him.“Daddy! You finally woke up!”Not only was Leon alive, but he had also become the father of this little dragon girl.After that, the Silver Dragon Queen started her relentless revenge. In a way that was truly “tit for tat,” she subjected Leon to non-stop bed exercises. But as a mere human, how could he possibly withstand the unending onslaught of a dragon's... desires?Leon decided to escape.However, every attempt ended in failure.Finally, under the queen’s threats and bribes, he resigned himself to being a stay-at-home dad.“Hm, you’ve been behaving well. I’ll reward you by having a second child with me,” the queen declared.Leon swore, “I’d rather die! I’ll leap from the Silver Dragon Palace, and I still won’t have a second child with you!”

The 7-year-old little crybaby met 11-year-old big brother who ran away from home.
[This man became the protector of redemption in his life]

The 16-year-old little dragon fell in love with a 20-year-old big brother.
[It’s a pity that the big brother didn’t recognize him as the little crybaby]

The 23-year-old single father and 27-year-old chief executive meets again.
[This time the little crybaby and his big brother are finally together]

Fortunately we met through hundreds of millions of people, Thank God, for letting us break through many obstacles and get back together again, falling in love with you and being with you again is the greatest fortune in my life.

- Description from Novelupdates

Leon and his father, Artorias, are the last remaining scions of a once powerful and illustrious family of lightning mages. After barely surviving an attack that destroyed their home fifteen years ago, they now live in the dangerous Northern Vales, a desolate wilderness far away from civilization. But those who want them dead are strong, patient, and relentless, and it is only a matter of time before they find the two they seek...