Didn't I Say to Make My Abilities Average in the Next Life?! story by FUNA and illustrated by Itsuki Akata.

When gifted student Kurihara Misato dies right after her high school graduation, she meets God and has a peculiar request: to make her abilities average in the next life. But few things–especially wishes–ever go quite as planned. As she navigates her new life as a ten-year-old girl in a magic-filled world, she realizes God has a unique definition of average!