Suika Ibuki, the oni from Gensokyo, stood in the center of a vast open clearing. She looked up at Saitama and Jiren, two of the most powerful beings in their respective universes. She had a playful grin on her face as she watched the two warriors appraise each other. Jiren stood with his arms crossed, looking at Saitama with a piercing glare. Saitama simply looked back, his bald head gleaming in the sunlight. They were both waiting for the other to make the first move. Finally, Suika spoke up. "So, are you two going to fight or what?" she asked, impatiently tapping her foot on the ground. Saitama grinned. "Sure, I'm up for it," he said, cracking his knuckles. "Let's see what you've got." Jiren simply nodded, uncrossing his arms and standing at the ready. The fight began in a flurry of movement. Saitama launched forward with a punch, but Jiren easily avoided it, stepping to the side and delivering a hard kick to Saitama's side. Saitama grunted, but didn't seem phased. He retaliated with a series of rapid punches, each one hitting with the force of a freight train. Jiren blocked each punch with ease, his movements fluid and graceful. He countered with a powerful punch of his own, which Saitama dodged at the last second. "You're pretty good," Saitama said, grinning. "But can you keep up?" With that, he launched into a blur of rapid punches that flew in all directions. Jiren attempted to block and dodge them, but Saitama's speed was too much for him. He took several blows to his chest and abdomen, each one dealing massive damage. Jiren winced in pain, but didn't falter. He gritted his teeth and slammed his fist into the ground, causing a shockwave that knocked Saitama off balance. "You underestimate me," Jiren said, standing tall. "I am not so easily defeated." Saitama got to his feet, shaking his head. "Okay, now I'm getting into it," he said, grinning. "Let's see what you've got." With that, he charged forward again, this time even faster than before. He delivered a devastating uppercut to Jiren's chin, sending him flying into the air. Jiren recovered quickly, spinning in mid-air and delivering a fierce kick to Saitama's side. Saitama grunted, but didn't fall. He spun around and launched into a flurry of punches, each one hitting with the force of a meteor. Jiren attempted to block them, but couldn't keep up. He took several blows to his face and chest, each one dealing massive damage. "Come on!" Saitama shouted, his voice booming. "Is that all you've got?" Jiren grunted in frustration, but didn't back down. He launched a powerful energy blast that tore through the ground, but Saitama leaped over it with ease. "Is that supposed to be impressive?" Saitama asked, his voice dripping with sarcasm. "I've seen better from a five-year-old." Jiren growled, his eyes blazing with fury. He charged forward, his movements becoming more erratic and unpredictable. Saitama prepared for the worst, but didn't let his guard down. The two warriors clashed in a storm of punches and kicks, each one delivering massive amounts of damage. They were both breathing heavily, sweat pouring down their faces. It was anyone's game. Finally, Saitama backed off, his grin widening. "Okay, you win," he said, holding up his hands in surrender. "That was a good fight." Jiren stood tall, his chest heaving. "You are a worthy opponent," he said, nodding in respect. Suika watched with wide-eyed amazement as the two warriors stood together, their faces set in determination. "That was amazing!" she shouted, clapping her hands. "You two are the best fighters I've ever seen!" Saitama and Jiren exchanged a knowing glance. They didn't need words to understand each other. They were both wild tough guys, and they knew what it felt like to battle with all their might. They turned to leave, each one disappearing in a flash of light. Suika watched them go, her grin never leaving her face. "What a day!" she shouted, running off into the sunset.