Saitama and Albedo would have really interesting interactions. Albedo is so devoted to Ainz in Overlord, and when she meets Saitama, who is just this nonchalant super - powerful guy, she would be both confused and perhaps a bit threatened. Saitama, on the other hand, would just see her as another person in this strange new world.
I think Momonga (Ainz) and King from One Punch Man would have a fascinating interaction. King is known for being perceived as a powerful hero when in reality he's not that strong. Ainz, with his all - seeing - eye spells and his experience in dealing with different types of characters, would quickly figure out King's true nature. King, on the other hand, would probably try to bluff his way through the encounter, leading to some comical and tense moments between them.
Definitely Saitama and Deadpool. Deadpool would be constantly trying to break the fourth wall and make jokes, while Saitama would just be there with his usual blank expression. It would be hilarious to see how Saitama reacts to Deadpool's non - stop chatter.
Definitely Naruto and Saitama. Naruto's energetic and determined personality against Saitama's laid - back and seemingly bored attitude would create a great contrast. Naruto would be constantly amazed by Saitama's power, while Saitama would be a bit puzzled by Naruto's complex world of ninjutsu and chakra.
Tsuna from Khr and Luffy from One Piece would be really interesting. Tsuna is initially a bit timid but grows into a strong leader, while Luffy is a fearless and carefree leader. Their different leadership styles could lead to some hilarious and also inspiring interactions. They might learn from each other's ways of handling their crews.
Saitama's one - punch ability would completely overpower most of the beings in the Overlord world at first glance. However, Ainz has a vast array of magic and strategic abilities. He could potentially use his knowledge of magic and the terrain in the Overlord world to his advantage against Saitama, even if he couldn't defeat him directly. For example, he could create illusions or traps.
Issei and Tatsumaki would also be a fascinating pair. Tatsumaki is a very powerful and prideful esper. Issei, with his own set of powers and a bit of a brash personality at times, could either clash with Tatsumaki or, in an unexpected turn, they could find common ground and work together against a common enemy.
Zoro and Yami. Both are badass swordsmen. Zoro's calm and collected fighting style compared to Yami's more brash and powerful style would create some interesting sparring scenes. They could exchange sword - fighting techniques and learn from each other. Yami might teach Zoro some of his dark magic - infused sword attacks, while Zoro could show Yami new ways to use his three - sword style more effectively.
I think Naruto and Sanji would have some really cool interactions. Sanji would be both fascinated and a bit jealous of Naruto's strength. He might try to cook special meals for Naruto to boost his power even more. And then there's Usopp and Naruto. Usopp could be in awe of Naruto's abilities and might even try to incorporate some of Naruto's ninja tricks into his own arsenal of lies and actual combat skills. Also, Naruto and Nami could team up to strategize against enemies, with Nami using her knowledge of the world and Naruto using his combat experience.
The plot could involve Saitama from One Punch Man being transported to the world of Overlord. He might initially be confused by the different magic - based setting. Since Saitama is so overpowered, he could end up accidentally causing chaos in the new world. For example, he might punch an enemy so hard that it creates a massive crater, which the inhabitants of the Overlord world have never seen before.
Saitama and Batman would be really interesting. Batman is a normal human with no superpowers but incredible skills and intelligence. Saitama is the opposite, having unlimited power but a rather simple - minded approach. Their interaction would be full of contrasts, like Batman trying to analyze Saitama while Saitama is just looking for a good fight or a cheap sale at the supermarket.
Lance from Voltron and Tony Stark from the Avengers would have really interesting interactions. Lance is known for his charm and humor, and Tony is the same. They would probably start by showing off to each other, but then realize they can learn a lot. For example, Lance could show Tony some of the unique alien tech from Voltron, and Tony could teach Lance about his high - tech gadgets.