Super Gene Ⅱ: Evolution - Chapter 34 - Primeval Eggs

The protagonist is an accidental time traveler - he didn't wait, didn't guess, only dreamed, but ended up in history, which he didn't pay much attention to. He was just lucky with his lineage.Ryo is a new member of the Nara clan, from the Uzumaki lineage on his father's side, and it so happened that he was born not at the beginning of the known plot, but more than three decades and two world wars later. Now he has to figure out how to get out of this situation however he can.

His Royal Highness the King of Han, who was afraid of the dark and ghosts and loved to cry, has always been the good baby of the princess.
Until one day, His Royal Highness the King of Han found a book in the bookstore…
Picture book?
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Search keyword: Protagonist: King of Han, Princess of Han

- Description from novelbuddy

After three years of hidden marriage, he handed her the divorce papers because his first love had returned and he wanted to give that woman legitimacy to their relationship.She endured the sadness in her heart and signed.On the day he registered his marriage with his white moonlight, she had a car accident, and lost the twins in her womb.From then on, she changed all her contact information and completely left his world.Later it was heard that he left his newlywed wife and searched for her all over the world.On the day they reunited, he blocked her path and begged, “Sweetie, give me a chance, please.”

The undisputed greatest doctor in Korea, Baek Gang Hyuk.