Former hero in adult novel

ray was summoned in another world called 'upia' to save them from demon king so, he became strong and formed a party and after 12 year hard work he defeated The Demon King

Later on he was given option to stay here and enjoy life as king of demon kingdom which was in 15% of world as biggest kingdom or
he can go back to world where he came from at same time when he was summoned ,while keeping one of his abilities as reward of saving 'upia'.

So he chose later while keeping ability called 'mega mind' which gives brain power of thinking and analysing 1 million times faster than previous self which will help him in remember past perfectly and will help him in many other things .

As process of time eclips was done he ray vision black outed and he opend his eyes he found him self in entirely different place from his room .

Which was world of 'Spira'

Then Guys join ray's adventure and have fun

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