His relationship with Orihime would be greatly affected. Orihime loves Ichigo deeply, and seeing him turn into a Hollow would be terrifying for her. She might try to reach out to him, believing that the kind Ichigo she knows is still in there somewhere. But she could also be in danger from his more unpredictable Hollow side.
With Chad, their friendship would face challenges. Chad has always been by Ichigo's side as a reliable friend. But a Hollow - Ichigo might be more violent and less in control. Chad would likely try to protect Ichigo from others who want to harm him while also trying to keep the Hollow - Ichigo from doing harm. It would be a complex dynamic of loyalty and fear.
For one, their relationship with Renji might be affected. Renji is very close to Rukia, so he might be initially suspicious of Ichigo and Isane's new - found bond over Rukia. He could see it as a threat to his own relationship with her. But as he realizes their intentions are pure, they might form an alliance to better protect Rukia.
His relationship with Tony Stark might change significantly. Stark could initially be skeptical or even make jokes, but then grow to be more understanding and protective. With Natasha Romanoff, she might be more empathetic and offer practical advice. His friendship with Sam Wilson could become even stronger as Sam is there to support him through the whole process.
Well, Ichigo might become more empathetic. Knowing about his parents could give him a deeper understanding of his own identity and powers. For example, if he discovers some hidden abilities his parents had, he could strive to master them, leading to new power - ups. Also, it could make him more protective of his remaining family members.
Rukia would be a great character to include. She has a deep connection with Ichigo and has seen him grow as a Shinigami. Her knowledge of the Soul Society and Hollows could be useful in helping Ichigo deal with his Hollow side. She could also be in conflict with Ichigo's Hollow form if it starts to act in a way she doesn't understand or approve of.
Archive of Our Own (AO3) is also a great place. There are many talented writers who post their Bleach Hollow Ichigo fanfictions there. The tagging system on AO3 makes it easy to find exactly what you're looking for.
There are many interesting fanfictions in the Bleach fandom involving Hollow Ichigo. However, I'm not sure specifically which ones are related to 'lemon' in a non - adult way. It could be that 'lemon' is used as a symbol or a character's name in a unique fan - created story. Maybe it represents a power or an object that has a special connection to Hollow Ichigo in that particular fanfiction.
Well, in a possible love story, Hollow Ichigo could fall in love with an unexpected soul. Maybe a Quincy who initially saw him as an enemy. But as she got to know the conflict within Ichigo, the part that was Hollow Ichigo, she started to see his struggle and the raw power was somewhat alluring. And Hollow Ichigo, for the first time, felt a connection that wasn't just about power or destruction.
Another great one is 'Hollow Ichigo's Redemption'. This fanfic explores the idea of Hollow Ichigo finding a sense of purpose beyond just being Ichigo's other half. It shows a more complex side to the usually chaotic Hollow Ichigo.
Regarding his friends, Naruto with Minato's personality would have a different dynamic. His bond with Shikamaru, for instance, would be more about intellectual exchanges. They would probably plan strategies together more smoothly. His relationship with Hinata would also change. Instead of Naruto being the energetic and somewhat clueless one about her feelings, he would be more perceptive. He would pick up on her signals earlier and handle their relationship in a more refined way. And with the other Konoha 11, he would be more of a guiding figure, much like Minato was for his generation.
Well, his friendship with Hermione could be enhanced in some ways. Harry could use his time - controlling power to give Hermione more time to study or research, which she would surely appreciate. However, it could also create jealousy as Hermione might feel that Harry has an unfair advantage. With Ron, there could be a bit of a rift at first. Ron might feel that Harry is becoming too different and powerful. But as time goes on, they could find a new balance. His relationship with Ginny would be interesting. Harry could use his power to create more special moments for them, but Ginny might worry about the implications of such a powerful ability. His enemies, like Malfoy, would be envious and even more hostile, seeing Harry's power as a threat to their pure - blood ideology.