Hey ikupi i dont think its ideal to spend tons of money on fixing that car anymore. Once an engine overheated its going to be a pain in the ass later on because even tho you get this problem fixed your cylinder head might be warped or cracked due to overheating issue. But in my assesment after i watched the video i think your radiator is clogged and the water pump might be shot. Is the radiator of the car is the original radiator? If it is try to change the radiator and inspect the water pump also. Good luck brother.