Fantasy Time Travel: the Supreme Transaction

Cheng Yu, an 'otaku' who accidentally traveled to a parallel space, found that he had obtained the supreme system of the "Cosmic Trading System", and also obtained the heart of time and space in that time and space. The heart of time and space was sucking Cheng Yu's vitality all the time. In order to survive, Cheng Yu had to start a crazy journey of making money. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.