Kagami Taiga is also a favorite. His strong and passionate nature can create great dynamics in crossover stories, especially when paired with more laid - back characters from other franchises.
Aomine is popular as well. His natural talent and his somewhat troubled personality give room for a lot of character development in fanfiction. Writers can explore his redemption or his further growth as a player.
Well, characters from 'One Piece' can be quite popular in 'kuroko no basuke crossover free fanfiction'. Luffy's elasticity could be reimagined as a strange yet effective way to move on the basketball court. And then there are characters from 'Slam Dunk'. Since it's also a basketball - related anime, their crossovers can be very engaging as they bring in a different era of basketball styles and attitudes.
Kuroko himself would be very interesting. His unique 'phantom' style of playing basketball could create some really unexpected scenarios in a crossover. For example, if he were in a crossover with a detective story, his ability to be unnoticed could be used to solve mysteries in a very unorthodox way while still having some basketball - themed elements in the story.
One idea could be a crossover with 'Haikyuu!!'. The characters from Kuroko no Basket could participate in a volleyball match against the Haikyuu!! teams. It would be fun to see how their basketball skills translate to volleyball.
I think Hinata and Kuroko would make an interesting pairing. Hinata's energetic and explosive nature on the volleyball court combined with Kuroko's calm and almost invisible presence on the basketball court could lead to some really unique interactions. They could learn from each other's determination and drive.
I think Naruto and Kuroko would be an interesting pairing. Naruto's exuberant and determined personality would contrast with Kuroko's quiet and mysterious nature. They could learn a lot from each other. Naruto could teach Kuroko about believing in oneself no matter what, and Kuroko could show Naruto the power of strategy and subtlety in achieving goals, which could be applied both in basketball and in Naruto's ninja battles.
Kuroko and Hinata would have really interesting interactions. Kuroko is known for his quiet and elusive style in basketball, while Hinata is all about high - energy and powerful attacks in volleyball. They could learn a lot from each other. Kuroko could teach Hinata about the importance of being unnoticed until the right moment, and Hinata could show Kuroko how to be more aggressive in a different way.
The main characters would likely include Kuroko Tetsuya, a key player known for his 'phantom' style of play. Kagami Taiga, his partner on the Seirin team, is also important. Then there are the members of the Generation of Miracles like Aomine Daiki, Murasakibara Atsushi, Midorima Shintaro, and Akashi Seijuro. These characters have been central to the story throughout and would play significant roles in the ending story as well.
I really like 'Kuroko's New Adventure'. In this fanfic, Kuroko discovers a new basketball technique that challenges him and his team. It's full of action - packed basketball scenes and also delves into the relationships between the characters, adding more depth to their bonds.
Kuroko and Kagami are definitely popular choices. Kuroko with his unique 'phantom' style of play and Kagami's powerful and aggressive style make for great dynamics. Also, Aomine is often included as he is a strong and complex character. His rivalry with Kuroko can add a lot of tension to the story.