Rich Family's Substitute Sweetheart - Chapter 4

The MC transmigrates to the Narutoverse in the body of an orphan boy from the Senju clan, as a normal person from modern Earth he has little to no fighting experience, but luckily time is something he has a lot as Naruto is just 6 months old so, he can slowly build his strength to live a “Peace-full” life

James, a brilliant mechanical engineer and passionate history enthusiast, loses his life in a tragic house fire—only to find himself in a mysterious world as the ruler of an island nation. Armed with his modern knowledge and unwavering ambition, James embarks on a bold mission to industrialize his kingdom and build an empire on which the sun never sets.

Warning: There will be a lot of explicit content. No one under +18 allowed.---------“Extremely Masculine Energy Physique, meets the host conditions, the crooked system is officially activated.”Walker who returned to his village unexpectedly receives a system.But something is not right, the system is very lus...[Today's task requires the host to vent his lust before dawn.][Complete the task, officially enter the extraordinary realm, and have the strongest practice method generated by the system.][If the task fails, you will suffer from severe impotence and will never get an erection for the rest of your life.]“Fuck...”

I was summoned to a ruined world and received the ability to create various things. Since I don’t have a house to live in I will make a house. Since people are gathering at my house I will make a town. Since the town is being attacked by monsters I will make the strongest weapon and repel them. Using my infinitely charging magic power I will remake this world as I please.