About Traveling from the Sewer to Becoming a Demon King

After Lu Ming, an ordinary high school student, accidentally fell into the sewer, he was selected by the Demon God and granted the Demon King's reincarnation system. A lackluster high school student actually became the Demon King. Could it be that the Demon Lord was interested in his black-rimmed glasses? The devil in another world can't even solve the problem of eating, so he has to go to other planes to find food himself? Hey, hey, this doesn't look like the normal life of a demon king. Is it a demon or a new fraud group that you encountered? Lord Demon King, you should say something at this critical moment and show some courage, you bastard! "What can I do? I'm desperate too!" Lu Ming let out a long sigh