Becoming the Demon King in another World

One day suddenly a class was summoned in another world to fight the demons. But something went wrong with our Protagonist Ryu Tanaka. He was a demon. How will he survive in a world where demons are antagonized. Will he be able to bring peace to the two different species. ___________ I will try to write as often as I can do. I own this Webnovel including all OC and other stuff. English is not my best language so I'll try my best. Please take care of me.