One of the interesting aspects in these fanfictions is how the characters' individual growth affects their relationship. Deku's development of his quirk and his rise in confidence, and Kacchan's journey to become a better person and hero, can all be intertwined in the stories. These elements create a rich tapestry of scenarios and emotions within the fan - created world of Deku x Kacchan.
One interesting aspect is the character interaction. You get to see how the idols from 'idolmaster' might interact with the heroes from 'boku no hero'. It can create really unique and unexpected dynamics.
The Boku no Hero manga is finished. It reached its conclusion after a successful run, leaving fans with a complete narrative and memories of an exciting journey.
Power - sharing or training together is also a common theme. Writers like to imagine how Deku's unique quirk and Kacchan's powerful abilities could be combined or enhanced when they train or work side by side. This not only shows their growth as heroes but also deepens their relationship in the fanfiction.
Romance is a very popular theme. Many fanfictions explore the relationship between the reader and a favorite BNHA character. Also, the theme of fitting in. Since the reader is inserted into an already established world, they have to find their place. For example, in some fanfictions, the reader character has to prove themselves worthy to be part of a hero team. This struggle to belong is a recurring theme.
Sure. You can try searching on fanfiction platforms like Archive of Our Own. There are likely many fanfics that combine the elements of 'idolmaster' and 'boku no hero'. Just use the relevant tags to narrow down your search.
Well, 'boku no hero novel' is probably about the adventures in the world of heroes. It could have new storylines that didn't make it into the main anime or manga. It may focus on a particular character's growth, like Midoriya's journey in a different light, or introduce new characters and their unique quirks within the hero - filled universe.