The Rebirth of Shranya

this story is about a boy who dies in this world and gets reincarnated in another universe. He came to know there was war between both of these worlds millions of millions of years ago and his world lost and there was a treaty signed between them. According to the treaty his world needed to send a boy of extreme willpower to the other world every 1000 years to work in their army and this time he was the one. New chapter every week :)