I Am Able To Buy Anything

The main character reincarnates like every other MC and Gains a system. A person is betrayed by his girlfriend (Cliche), he tries to fight the person that she cheated on him and when he gets into a fight with the person he dies with one punch. When he dies our Mc Ed takes over his body with a system that can buy anything. some extra information the system can be upgraded to buy anything from any world or fiction