One possible plot could be that Ichigo, after fusing with Zangetsu, gains new and enhanced powers. He might have to face a powerful new enemy that only his fused form can defeat. Maybe he struggles at first to control the combined power, causing some chaos in the Soul Society.
Well, in such a fanfiction, perhaps the fusion leads to a change in Ichigo's personality. Since Zangetsu has his own essence, Ichigo could become more assertive or even a bit more ruthless in battle. The plot could revolve around how his friends react to this new Ichigo and how he tries to maintain his relationships while dealing with the power within. Also, there could be a mystery about the true nature of their fusion and what it means for the future of the Soul Reaper world.
Perhaps in the fanfiction, Female Zangetsu has been separated from Ichigo due to some dark magic. Ichigo then has to embark on a journey to find her. Along the way, he discovers more about her past and her true nature, which deepens his love for her when they are finally reunited.
The relationship can start with respect. Since Zangetsu is a powerful entity, Ichigo would initially respect her strength. As they interact more, like during training sessions, they can start to share personal stories. This sharing can lead to a deeper emotional connection.
Rukia would probably be both amazed and a bit worried. Amazed at the new power Ichigo has, but worried about how it might change him. Chad would see it as a natural progression of Ichigo's power and be supportive. Orihime might be a bit scared at first, but then she would see the good in Ichigo's new form and try to encourage him.
The appearance of a Naruto - Ichigo fusion in fanfiction would likely be a blend of their features. Maybe he would have Naruto's spiky hair color but with Ichigo's hair style. His eyes could be a mix of Naruto's blue and Ichigo's brown. And he might wear a combination of their outfits, like Naruto's orange jumpsuit with some elements of Ichigo's Soul Reaper robes.
If Naruto fused with Ichigo in fanfiction, it would be amazing. Firstly, their physical abilities would combine. Naruto's enhanced strength and speed from his training, along with Ichigo's superhuman Soul Reaper physique, would make the fused form extremely formidable in battle. Also, their energy sources could merge. Naruto's chakra and Ichigo's reiatsu might form a new type of power that could be used in different ways. It could also lead to a very interesting story arc, with the fused character having to deal with the memories and emotions of both Naruto and Ichigo.
The coloration of Ichigo vs Zangetsu in manga varies depending on the artist's style and the specific scene. Sometimes it's bold and vibrant, while in other moments it might be more subdued.
They have a complex and significant connection. Old Man Zangetsu is a crucial part of Ichigo's power and growth.
The new Zangetsu has a more powerful and distinct appearance. It shows Ichigo's growth and evolution in the story.
In my opinion, Ichigo might have an edge. He's shown great growth and power throughout the manga. But Zangetsu is also incredibly powerful and could put up a tough fight. It really comes down to how the battle unfolds and what strategies each employs.
The fight is full of surprises. Ichigo has to overcome many challenges and inner conflicts as he battles Tensa Zangetsu. The manga does a great job of depicting the intensity and complexity of the encounter.