A Billion Riders: I Have a Trillion in Cash!

After working part-time and studying so hard, this nobody finally had his girlfriend stolen by the rich, handsome campus king, then got beaten up for good measure! But after waking up one morning, fortune was finally on his side. He crushed every enemy in his path and returned as a king. His enemies lost everything, his wealth rivaled that of the richest man in the world, and he even had to do everything in his power to save humanity.