Izuku Yagi lived a happy life along with his sister Izumi Yagi and his friends the Todoroki's twins (Shoto and Shoko) and the Bakugo's twins ( Katsuki and Katsumi). Until one day, the day of his 4th birthday, he was diagnosticed quirkless. All of his dreams were crushed thanks to one word. But little did he know that yes he didn't have a quirk but something greater than that Disclaimer: I do not own my hero academia or demon slayer

Harry never knew his Father James Potter had a little sister. That he had other options besides living with the extremely vile Dursley family. Where Eleanor Potter becomes a professor at Hogwarts, beginning her journey in protecting her nephew.