Time Travel? System? What the Hell

"You are the new director, right?" A woman with a strange voice said to me "Please come with me" I walked through various passages and came to a building. When I looked up, I saw several large blue characters. —Galaxy Systems Administration— This book is about a male protagonist who travels to the so-called world of gods and is mistaken for the director of the Galaxy System Administration. As time went on, his power grew stronger and stronger, until one day he accidentally discovered the secret of God. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.