Rimuru Tempest

Rimuru is a male who died saving his friends girlfriend from someone randomly stabing someone and turned to a slime in a different world overpowered. He made the Tempest Federation for monsters to live peacefully and happy in his Home Territory. He is the leader of the Rimuru is a eccentric, childish person, selfish and nefarious tendencies, ruthless to people of evil and is constantly analyzing, planning and cares about his image. He wants to make a place where everyone can be happy and peace