The protagonist has traveled through time, but it appears to be time travel, but in reality it is entering an RPG game, trying to find his own main line, overcoming obstacles, and returning home to live a happy life after completion. (I can't write copywriting, copywriting is terrible ORZ...)
In fact, do you believe that this article is about supernaturalism? (Don't believe it = =)
Okay, okay, I can't explain clearly. This is an association caused by a dream of the author.