Just be advised there isn't any story of note to follow. The problems the main character encounters are on a very basic level. For example when a bad demon shows up he is instantly tamed and converted into an angel, when a mad goddess shows up she is instantly tamed and turned into a follower...
Point at thing, get told name. Additionally, he's been living there for a few months (?) now. Learning the very basics of conversation (greetings, my name is, etc.) is very possible even completely without reference. It's been done countless times in human history. The sad thing is he is doing...