Yes, there are. However, their availability might vary depending on your location and the specific comic publishers. Sometimes, limited editions or special releases of All Might comics can be harder to come by.
In the fanfiction, Izuku may start to undermine All Might's actions. He could try to expose any flaws or wrongdoings of All Might. Their relationship goes from one of idolization and guidance to one of opposition. Izuku no longer looks up to All Might and may even try to bring him down. For example, he could spread rumors or try to find evidence against All Might if the story goes in that direction.
It adds a new dimension to the fandom. By focusing on a little girl's relationship with All Might, it can attract a wider range of fans, including those who like stories with a more emotional and nurturing aspect. It can also inspire fanart and other fan creations related to this unique relationship.