Hi , I am looking for a bl the MC a male ger time travel to the modern world and found by a grandpa near the river or something when the MC was 12 years old and the grandpa adopted him the grandpa was a painter.and then they went somewhere in train and the MC met the ML the ML's grandpa knew each other and were friends from then on there feelings developed until the ML when USA for higher studies and began stock investment then return to the country then started his own company if remember right they also had they baby etc. But I don't know the name of the novel .....
Little Husband of the Financial Tycoon 金融大佬的小夫郎 i finally got a reply here is the name it's a great story.