I only guess this guys but what if she wasn't really from the modern world but her mother put her in the modern world so she could be safe because the imperial annihilated all of the "jewerli"and then the ring is from her mother then this new character is his father?? Bruh idk
Well how could he just leave him randomly then suddenly comingback to him after 8 years just because those loan sharks told him that seung was the one who ordered them and also he know more than anyone that that time when his father died seung doesn't have any power to do such thing like that. (Our mc is so idiot that my blood is boiling while reading this)