That Time I Got Reincarnated As A Mimic

Rolan died in heart attack after reading his favorite novel nonstop for days without sleeping or eating. Reincarnating in the Fantasy world after passing. Into a stone? No! Sword? No! As a slime? No! But a Mimic! With him reincarnating, he shapeshifted into human after copying monsters and absorbing the mana of Demon King. He found a village and used his skill Evolution and evolved them all. Also found and rescued tribes that has a class that Rolan Evolved too. Making him a Lord by them as the Demon Empire and Holy Empired deemed their existences as a threat. Now, the tales of a village into a Kingdom begins! A Kingdom-Building story unfolds!