Fairy King in UA (a Isekai fan fiction)

while fighting the 10 commandments King/Harlequin The Fairy King sacrificed himself to save Meliodas, and ended up dying......

"Is this the end?.... Atleast I saved captain. hehe....he, I wish for my love Diane to live happily. Guess I'm dying"

But suddenly King saw a light. "what is this? I thought I died? Why can't I speak? " then he realized that he was reborn in a world full of heros and villain

(note: I don't own the characters and the anime series)