Iruma's Adventure OVA (MHA X One Piece X Welcome to Demon School Iruma-Kun)

This is OVA for The Hero of D.
The Characters belong to Original Creators
Plot: Iruma was living a fine life until age of 4 after be told that he was Quirkless and her twin sister Emiko comforted her brother telling him that he can be hero without Quirk and he will find friends once reach Iruma and Emiko make their way to room. Unknown to them Their Father and Mother would call Marines telling them to kill people including quirkless mistakes. Next Iruma and Emirko would hear canon fire at their homes and fire everyone then Iruma would ask his mother what wrong. Then she tells him the World Government called a buster call on the Island to kill people of the Island. Iruma go outside their people on floor with blood everyone that Shock Iruma to his core then he tries to look for his sister then found out she was gone then he tries look for his parent found out that they have been killed just as Iruma would lose his life. A Man with red hair with Strawhat come to save him form Marine attack then tell the marine that he shouldn't kill a young boy.
After Shanks saving Iruma ask him if has parents then Iruma answer him no then Shanks agree to adopted Iruma then Send him to West Blue to look over by his friend.
Iruma would meet his future childhood friend Izuku and Izumi they meet each other in West Blue where they meet Ace and Sabo. Their deam to become Heroes and Help. There are one problem that are Izuku and Iruma are quirkless but that don't discourge them. They spend all time together when they parts ways. Izuku and Izumi tell Iruma they want to go UA. but Iruma want go to Hero school Babyls. While Iruma was in bar with Shanks then He promise that he will be West Blue next #1 Hero as Shanks then Shanks would laugh saying how he can't be hero then Iruma get mad declare he will make dream become a realtiy. Before Shanks leaves then he put his trust Strawhat on Iruma head and tell him to keep safe then give back to him when make to Hero Ranks.