I Accidentally Reincarneted As Cruel Demon Lord Volume-1

Tokito was a person who served people in his world. When he died, he was forgiven by God and sent to another world. When Tokito opened his eyes, he was in a dream-like fantasy universe where water was formed by magic. When he saw himself, he realized that he was born as the Demon King instead of a hero. What difficulties awaited Tokito, who was trying to adapt to this world where many races lived?