Ichigo would likely be a bit brash at first. He's used to dealing with things on his own terms in the world of 'Bleach'. Izuku, on the other hand, would be very respectful and inquisitive. He'd probably ask a lot of questions about Ichigo's powers. Ichigo might be a bit impatient with all the questions but would soon realize that Izuku is genuinely interested. They'd start to bond over their shared desire to protect others.
The plot could involve a tournament - style scenario where heroes and shinigami from different universes are gathered. Ichigo and Izuku are pitted against each other in the first round. However, instead of fighting, they realize that there is a greater conspiracy at play. Some powerful entity is trying to use the tournament to drain the powers of all the participants. So, they decide to work together, combining Ichigo's zanpakuto skills and Izuku's One For All quirk to expose and defeat this hidden enemy.
In a 'tsuna meets ichigo fanfiction', they might start as rivals. Tsuna, with his Dying Will Flame powers, and Ichigo, with his Soul Reaper abilities, could initially clash due to misunderstandings. For example, Tsuna might mistake Ichigo for an enemy from the mafia world, while Ichigo could think Tsuna is some sort of Hollow - like creature. Eventually, they could discover each other's good intentions and team up to fight a common foe, perhaps a powerful Arrancar or a particularly dangerous Vongola enemy. This would lead to an interesting dynamic where they learn from each other's fighting styles and strategies.
In a 'Byakuya meets Ichigo' fanfiction, they might start as rivals and gradually develop respect for each other. Maybe they'll team up to fight a common enemy. For example, a powerful Hollows that neither could defeat alone.
The main characters are Ichigo and Rias. Ichigo is from the Bleach universe, a powerful Soul Reaper with unique abilities. He has a strong sense of justice and is always ready to protect those in need.
It's really hard to say who would be stronger. Tsuna has his powerful Dying Will Mode which gives him enhanced strength, speed, and combat abilities. However, Ichigo has his Bankai which is extremely powerful as well. If we consider the environment and the nature of the threat they face, it could change things. For example, if the enemy is more spiritual in nature, Ichigo might have the upper hand as he is more experienced in dealing with spiritual beings. But if it's a more physical battle, Tsuna's training in hand - to - hand combat could make him a formidable opponent.
Well, it could be about Ichigo teaching Izuku some combat skills. Since Ichigo is a powerful Soul Reaper, he might show Izuku how to better use his physical strength and speed in battle.
Chapter 13 of the online novel 'Battle Through the Heavens''Meeting Jia Chou Again' described how Xiao Yan and Jia Chou met in the training world and engaged in an intense battle. In this battle, Jia Chou had displayed his great strength and Xiao Yan had also obtained even more training insights during this process.