Homare Akatsuki

The main protagonist Homare Akatsuki is the eldest son of a wealthy family and has a secret desire to rule the world without ever having to bow down to anyone else. When he dies saving his childhood friend Ikushima Sugurus life and falls into an Alternate World his life drastically changes. Indebted to a spirit known as Vid he must now discover the identity of the Alternate Worlds creator whom Vid simply refers to as God while at the same time keeping Suguru from getting involved.