Complex sentence: The story centers on Issei Hyodo, a perverted high school student who is killed by his first date who is revealed to be a fallen angel and is soon revived as a devil by Rias Gremory to serve her and her devil family.
Split into simpler sentences: The story centers on Issei Hyodo, a perverted high school student who is killed by his first date who is revealed to be a fallen angel. He is soon revived as a devil by Rias Gremory to serve her and her devil family.