Uraraka and Deku do get together in the manga. It happens as their friendship deepens and they face various challenges together, leading to a romantic connection.
One common theme is friendship. Writers often explore how their different personalities interact and form a strong bond of friendship. For example, Iida's more serious and rule - abiding nature contrasting with Uraraka's more easy - going and friendly attitude.
One common theme is friendship development. Since they are classmates in the My Hero Academia universe, many fanfictions explore how their initial acquaintance turns into a deep friendship. For example, they might start off just as study partners and gradually become more like siblings who support each other no matter what.
Typically, these fanfics often focus on their relationship, whether it's friendship or a budding romance. They usually incorporate elements from the original 'My Hero Academia' universe, like their hero training and the challenges they face at school.