lost_talez's manga / #Overpowered(12)

ch25 MC is summoned into a fantasy world but in the body of the demon lord from the game he created. He meets a little girl who was outcasted and takes her in, finds the ritual circle where the god thanos(one of the 3 gods) revealed that satanists had sacrificed their lives to summon the demon lord aka MC. He also meets one of the 3 saintress of the countries and takes over management of her land consisting of bunny people (saintess had been neglecting her land and leaving the Mx to the church), MC summons his companions sadistic shotacon doctor and genius battle siscon guy to help Mx the territory, telling them he wants to walk the opposite path of the great empire. So far he's set up a hospital and onsen. MC's aim is to regain administration rights, the being controlling this world seems to want to kill him. He also meets the hero of this world, who looks like a glasses otaku

17.2 hero joins the defeated demon king army (that he defeated) because the humans became afraid of him and shunned him, even sent assassins after him so he cant live a peaceful life. turns out hero is actually bioweapon created by humans in 2060 to fight against demons/akumas that invaded their world, his ability is to emulate/learn from enemies and incorporate them in his fight style giving him exponential growth, he is the only living weapon alive to this day. Demon lord invaded earth again to gain philosophers stone that is said to grant any wish (is actually advanced tech from mc's era) in order to make demon world flourish again, mc joined to evaluate her suitability to entrust the philosophers stone to her. He tries to get her to kill him because he is afraid that he will lose control and destroy the world due to his order to protect humanity - he is liable to create threats to humanity in order to continue to fulfil this order. However, they decide to save him instead, and convince him that actually he doesnt want to die, and his ability for infinite growth actually enables him to gain immunity to his order/curse to protect humanity. The demon king invites him to join her army and work towards the goal of peaceful cohabitation with humans. Another human weapon seemed to have survived in orb form, he tries to possess the body of a dungeon master. Now MC has to go conquer the dungeon as the demon king subordinate needs a book left with her to stabilise the dimentional rift.