Solo leveling: The Son of the Shadow Monarch Accidently Went back Time

One day from the far future ,There was a very young boy name Su-ho living with the best and most fearful hunters in Korea Sung jin-woo and Cha hae-in his parents. Suddenly on the current day when his parents were busy on something, a black portal swirling around his room appeared before him. He begun to have curiosity on his eyes staring at the mysterious thing appeared in his room, he crawl slowly near it and when he face it, he touch the portal, starting to be strangely weird. After that, a shadow hand grab the young boy, dragged him unto the portal and found himself inside a Gate. I don't own solo leveling so enjoy.