Kakashi could be a potential swordsman character. He's known for his combat skills. In the harem, Hinata could be there. Her gentle nature would contrast with the action-packed world. Also, Ino could be part of it, using her mind - control jutsu in unique ways to protect the group and be involved in the harem's relationships.
Obviously, Kurenai herself could be a central character in the harem. Also, Anko could be a potential member as she is associated with Kurenai and has her own unique personality. Hinata might also be involved as she has a crush on Naruto and could be drawn into this situation due to her connection with Naruto and the overall Naruto - Kurenai scenario.
Well, obviously Naruto and Konan are the main ones. But other characters like Sakura could be part of it. Sakura, being a strong - willed and skilled kunoichi, might be attracted to Naruto's growth and his new - found status in the ninja world. Hinata could also be included. Her long - standing love for Naruto could easily fit into the harem concept, and she could interact with Konan in an interesting way.
There could be some original Arrancar characters created specifically for the fanfiction. For example, a young and curious Arrancar who is new to the ways of her kind. She meets Naruto and is immediately fascinated by his different appearance and abilities. And then there's a more experienced Arrancar who has seen many battles. She initially sees Naruto as a threat but then realizes his good intentions and slowly falls for him, becoming part of the harem.
Well, obviously Naruto himself would be the central male character. For the female characters in the harem, Sakura could be one. She might start to see Naruto in a new light when he overcomes his blindness with such tenacity. Hinata could also be part of it. Her shy and loving nature could be a great contrast to Naruto's more outgoing and determined personality in this scenario.
Temari could also be a potential character. Given her status in the Sand Village and her strong - willed nature, she would bring a different dynamic to the harem. There could also be some original characters created specifically for the fanfiction to add more variety.
Well, one could be a female ninja from the Uchiha clan. She might be strong - willed and have the Sharingan. Another could be a gentle - natured girl from the Hyuga clan, with the Byakugan. And of course, there could be a foreign ninja who has her own unique abilities and catches the heir's eye.
In the Naruto world, Sakura could be a potential character in the harem. She's strong - willed and has her own set of skills. From the Yugioh world, Anzu could be part of it. She's kind - hearted and often supports the main characters. Another from Naruto could be Hinata, who is shy but also very loyal. And from Yugioh, Mai Valentine, as she has a bold and confident personality.
One potential ally could be Neji. Neji has his Byakugan and his skills in combat. He could see the dark swordsman as an equal in terms of combat ability and form an alliance. Also, Tenten, who is fascinated with weapons. The dark swordsman's sword and his skills with it could draw Tenten's interest, and she might become an ally. They could exchange knowledge about different weapons and fighting techniques.
Sakura could be one. She has a long - standing relationship with Naruto and might be part of the harem. Also, Hinata. Given her feelings for Naruto, she could be drawn into this situation. Shikamaru might also be included, not in a romantic way for Naruto but as a friend who gets involved in the group dynamic. And Kiba, with his brash personality, could add an interesting element to the group.
Sakura could be one of the characters in the harem. She is strong - willed and her medical ninja skills could be useful in the story. Hinata is also a likely candidate as she has always had a deep affection for Naruto. Her gentle yet powerful Byakugan abilities would add to the group dynamics.