SIMPLE PLAIN ISEKAI

About SPI,
How would you survive a true real Isekai world where you aren't the first visiter.? And you are just a normal person just as you were before. Can you fight or flee?

Rayman is high school student who gets transferred to another world "TEHRA" without a warning. No he is not the hero who summoned by any king or goddess, he is a plain rookie bard (stoy-teller). Along his companion, he have travel the world from city to city spreading legends and stories.
Will he use his modern day knowledge to change the world?
Or just become a fast food for some monster?

"TEHRA" anagram of earth. It is world full of wildest fantasy and magic. Creatures form our darkest dream to brightest imagination lives on TEHRA. With humanity in constant survival. Can Rayman and his party find a new way out of upcoming troubles.?