Time Travel and Rebirth: Enforcer of Fire

A top-notch ammunition and gun manufacturing expert, the law enforcer 'Yan', was affected by the barometric bomb he developed during the execution of his mission. He fell from a high building. When he regained consciousness, he found that he had become 'smaller' and was forced to make a deal with God. The condition is: You help me save my world, and I will help you be reborn. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.