If you're looking for manga similar to Kitaku Tochuu de Yome to Musume ga Dekita n Dakedo, Dragon Datta. (Light Novel), you might like these titles.
"Daddy!" The dragon blinked as the wee little human called out to him. Him? Her "Daddy"? Powerful enough to have been venerated by humankind, yet warmhearted and even a tad ditzy, the dragon soon finds himself raising and doting on the precocious Olivia as if she really were his daughter in this touching tale. The toddler may be impossibly cute now, but just you wait—she’s a curious child and she’s growing up real fast. You can bet that one day, she’ll be the strongest human there is! But first, how will he handle little Olivia receiving an acceptance letter to a human school?
Hina is a very sensitive and hot-tempered college student without many friends. She returns to school after time off to immerse herself in a storm of classes and part-time jobs. One rainy day, she takes delivery of a box from an unknown sender, and finds inside a child! With pointy ears and webbed hands and feet, he's a child of the Dragon Race!
“At last, I've found you, my Bondmate.” As Flowerfolk, I never dreamed of having a fairy tale romance, but I also didn't expect to be dumped three days after being confessed to by a dragon knight! Spurned and angry, I decided to devote my life to my work as the human princess's hairstylist, only to find out that the princess was going off to dragon country to marry the Dragonkin prince and taking me with her. Now I have to serve in the same castle as that jerk who dumped me! The princess can have the fairy tale ending, I'm done with romance.
Kite, known as The Wiseman who Lived a Thousand Years, was successful in achieving the greatest wish of all wisemen: the Creation of Life. He, who only held interest in research till then, found that the moment he saw the figure of the baby that had just been born, a certain emotion sprouted. "Damn it, my daughter is too cute!!" The scholarly wiseman turned into a doting parent in an instant, setting out on a journey to seek the best childcare environment for his adorable baby girl. This is the journal of the strongest wiseman, who would go to the ends of the earth for the sake of his daughter.
From the weakest summoner to the world’s greatest dragon knight. The adventurer Jay was mocked by those around him as the “Lizard Summoner.” Although he was a professional summoner, the only summon beast he could call forth was a small lizard, which led him to be despised. As a result, Jay couldn’t form a party with anyone and continued his adventure alone, cherishing his little lizard, Kyuk. But one day, suddenly Kyuk grew into a huge and magnificent dragon – Bahamut! Seizing this opportunity, Jay began working as a carrier. Before long, rumors of the “Carrier Dragon Knight” spread throughout the royal capital, and everyone started to rely on him. From the mocked F-rank summoner to the world’s greatest dragon knight.
In the Forest of Scraps, a place where all manner of things are discarded, an old dragon sleeps away his final days—that is, until an abandoned child suddenly appears before him. The tiny human is Eve, and despite being only five years of age, she has somehow endured the many dangers that surround them. In an act of pity, the dragon decides to raise her as his own...but his time is still running out. After five years together, he takes his last breath, leaving his precious daughter on her own. Little does the dragon know, Eve is capable of more than he realizes, and their reunion may be sooner than he thinks... Hoping to improve Eve’s control over her magical abilities before his resurrected body gives out, the skull dragon sets out on an adventure with his reckless human daughter—but who knows what kind of trouble awaits them?