In Black clover with Grimoire of Omnitrix

Shiva was a 28-year-old teenager who died in a car crash and was reborn with the power of Omnitrix the Black Clover world. . . . Arthur's Note: My grammar may not be the best, but I'm working on improving it. I don't own any of the characters, only my original character (OC). the cover image I got from Google. so I do not own it. I would appreciate feedback and support if you enjoy the story. I will be updating it three to four days a week.