After Beating Someone, I Found Myself in the Spiritual World

One day I beat up a liar. As a result, after I came out of the police station, a voice spoke to me in my head. After finding out, it turned out to be me in the spiritual world! ! ! He can also bring me a lot of high technology, some of which are hard to believe, but they are all true. From now on I can do it! I'm awesome! I stood up! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.