Super God Emperor

It should be because the protagonist has no relatives since he was a child, and later on, he was under too much pressure in life, had an irregular diet, and became terminally ill. At the moment of his death, he took the system and traveled to a world where super gods are not super gods, and armor is not armor. This is my first time writing. I have no experience. Please criticize me. Please do not criticize my family. Thank you.