Miu Iruma, the ultimate inventor, stood in her laboratory, surrounded by various gadgets and devices that would make even the most seasoned erotic enthusiast blush. Her latest creation, a chastity belt with a twist, lay on the workbench before her. This was no ordinary chastity belt - it was designed to detonate if the wearer's penis became erect.
Kokichi Oum, her rival and nemesis, lay sleeping in the adjacent room, completely unaware of the prank that was about to unfold. Miu snuck into the room, a sly grin spreading across her face as she strapped the device around Kokichi's flaccid penis. She whispered in his ear, "If you get hard, your dick will blow up. Literally."
Kokichi's eyes snapped open, and he jolted upright, his heart racing. "What the fuck, Miu?" he growled, his voice laced with anger and a hint of fear.
Miu just chuckled and patted his shoulder. "You should have thought of that before you tried to one-up me, Kokichi. You're going to have to go through the day without getting hard. Can you do that for me?"
Kokichi's face twisted in a mix of frustration and desperation. He knew Miu was capable of anything, and the thought of his dick blowing up was not a pleasant one. He grudgingly agreed to play along, but his mind was already racing with ways to get revenge.
The day was a blur of tension and awkwardness as Kokichi struggled to maintain his composure. Every innocent touch or accidental brush against someone sent his heart racing, and he had to fight the urge to give in to his baser desires. Miu watched him from the sidelines, a knowing glint in her eye as she monitored his every move.
As the sun began to set, Kokichi was at his breaking point. His cock ached from the constant battle to keep it soft, and his balls felt like they were about to burst. He stormed into Miu's laboratory, his face red with anger.
"You win, Miu," he spat. "I've had enough of this game. Take the damn thing off me."
Miu chuckled, a mischievous twinkle in her eye. "Oh, Kokichi. You're so gullible. I was just joking about the chastity belt. It's just a regular old device."
Kokichi's face turned purple with rage. "You bitch!" he snarled, his fists clenched at his sides. "I'm going to get you back for this, Miu."
Miu just laughed, a throaty sound that sent a shiver down Kokichi's spine. "I'm shaking in my boots, Kokichi. Bring it on."
As Kokichi stomped out of the laboratory, his anger and frustration boiled over. He was going to get his revenge, and it was going to be sweet. Little did Miu know, but she had just unleashed a beast. And Kokichi was not going to rest until he had claimed his prize - Miu's sweet, tender pussy.