Their past rivalry in the original story is a big factor. Writers need to carefully navigate how they move past that and start to trust and care for each other. It can't be too sudden or it won't seem realistic. For example, they might start by respecting each other's skills on the court, and then slowly build an emotional bond off the court as well.
One challenge is that they have very different personalities. Kuroko is quiet and unassuming, while Akashi is more dominant and confident. So, it's hard to find a believable way for them to connect at first.
One characteristic is the exploration of their contrasting personalities. Akashi is often portrayed as strong, confident and a natural leader, while Kuroko is more introverted and underestimated. Fanfics usually play with how these two personalities interact and complement each other.
The connection between Kuroko and Akashi in the manga is intense. They are both highly skilled players with distinct styles and strategies. Their encounters often lead to exciting and intense basketball battles.
They have a complex and interesting dynamic. Akashi is a powerful and dominant figure, while Kuroko has his own unique skills and strategies.
One great Akashi x Kuroko fanfiction is 'The Red and the Blue'. It beautifully delves into their relationship, showing how Akashi's dominant personality and Kuroko's calm nature complement each other. The author does an excellent job of portraying their emotions in a Yaoi context.
Another one is 'In the Eyes of Akashi'. This fanfic focuses on Akashi's perspective of Kuroko. It shows his admiration and the special place Kuroko holds in his heart. The author does a great job of exploring Akashi's complex character in relation to Kuroko.
One plot idea could be that Kuroko and Akashi have to team up for an unexpected street basketball tournament against a group of international players. They start off with a lot of friction due to their past rivalry but gradually learn to work together and discover new aspects of each other's playing styles.
One common theme is the exploration of their complex relationship. Given their different personalities and playing styles on the court, fanfictions often delve into how they understand and support each other off the court. For example, how Akashi's strict and calculating nature might be softened by Kuroko's quiet and observant presence.
In these fanfictions, the way their relationship develops is often quite different from the original plot. It allows for more exploration of their emotional sides. The Yaoi genre gives the freedom to show a deeper, more intimate connection between Akashi and Kuroko. Writers can play with their unspoken feelings in the series and expand on them in a romantic and sometimes steamy way, but always in a way that respects the essence of the characters.
You can try fanfiction websites like Archive of Our Own (AO3). There are a lot of talented writers who post their Akashi x Kuroko fanfictions there. Just use the search function and type in the relevant tags, and you'll be presented with a variety of stories to choose from.
One popular 'kuroko and akashi lemon fanfic' could be 'A New Bond'. It explores their relationship in a unique way with interesting character development.