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Love triangle

Fandom: Blue Lock

Created: 6/10/2026

Tags

RomanceDramaAngstJealousyPWP (Plot? What Plot?)Canon SettingCharacter Study
Contents

The Blue Rose and the Sleeping Genius

The candlelight flickered against the crystal glasses, casting a warm, golden glow over the table. Mimi tucked a stray lock of her thick, wavy hair behind her ear, her large eyes reflecting the soft ambiance of the high-end restaurant. Across from her, Nagi Seishiro looked uncharacteristically focused. Usually, the white-haired prodigy was slumped over a handheld game or staring blankly into space, but tonight, his gray eyes were fixed entirely on her.

"Is the steak okay?" Nagi asked, his voice low and airy. "Reo said this place was the best for a first date. I didn't want to mess it up."

Mimi smiled, her petite frame looking even smaller in the plush velvet chair. "It’s wonderful, Nagi. You didn’t have to go to all this trouble. I would have been happy with ramen."

"I had to," Nagi replied simply, leaning his chin on his hand. "If I don't try hard, someone else might take you away. And for the first time in my life, I don't want to be lazy about something."

The sincerity in his voice made Mimi’s heart flutter. Nagi was effortless in everything he did, a natural genius who found the world boring. To be the object of his intense, newfound effort was intoxicating. They spent the rest of the evening talking—or rather, Mimi talked and Nagi listened with a rapt attention that made her feel like the only person in the world.

The news of their dinner date traveled fast. By the next morning, Michael Kaiser was standing in the middle of his training room, crushing a water bottle in his hand until the plastic shrieked.

Kaiser didn't do "losing." He was the king, the star of Bastard München, the man with the world at his feet. And more importantly, he had been Mimi’s best friend since they were children in Germany. He had watched her grow, had protected her, and had secretly harbored a possessive, burning desire for her that he masked with arrogance and teasing.

He didn't even wait to shower. He drove straight to her apartment, his blood boiling at the thought of Nagi’s pale hands touching what belonged to him.

When Mimi opened the door, she barely had time to say hello before Kaiser stormed in, his blue-streaked hair messy and his eyes sharp with malice.

"A date, Mimi? Really?" Kaiser spun around to face her, his height towering over her petite stature. "Of all the people in this godforsaken project, you choose that lazy sloth?"

Mimi blinked, startled by the venom in his tone. "Nagi is a friend, Michael. And he was a gentleman. Why are you acting like this?"

"Because he’s a predator in sheep’s clothing!" Kaiser shouted, his composure snapping. "He doesn't care about you. He just wants a new toy to keep him from being bored. You’re too good for a fluke like him."

"You don't get to decide who I spend my time with," Mimi snapped back, her own temper rising. She stepped closer, poking a finger into his chest. "You’ve been my friend for years, Michael, but you don't own me. Why does it even matter to you?"

"Because I love you, you idiot!"

The silence that followed was deafening. Kaiser breathed heavily, his nostrils flaring. The confession hadn't been poetic or planned; it was a jagged, raw outburst.

"I’ve loved you since we were kids," he hissed, his voice dropping to a dangerous, emotional growl. "I stayed by your side, I let you date other losers, I waited for you to see me. And then I see you going out with some brat who doesn't know the first thing about how to cherish you. It’s driving me insane."

Mimi felt the air leave her lungs. She looked at Kaiser—really looked at him—and saw the vulnerability hidden behind his blue eyes. "Michael... I..."

"Don't," he whispered, turning toward the door. "Just think about it. If you want him, fine. But don't expect me to stand by and watch you waste yourself on him."

He left before she could respond, leaving Mimi standing in the center of her living room, her mind a whirlwind of confusion.

A week passed. Mimi avoided both of them, retreating into her own thoughts. She weighed the effortless, sweet attention of Nagi against the lifelong, fiery intensity of Kaiser. She realized that her fear hadn't been a lack of feelings for Kaiser, but rather the overwhelming weight of them.

Late on a Friday night, after a few too many drinks with her girlfriends to numb the anxiety, Mimi found herself in a taxi heading toward Kaiser’s luxury apartment. She was wearing a tight, sleeveless black dress that hugged her curves and showcased her long, wavy hair that spilled over her shoulders like dark silk.

She let herself in with the spare key he had given her years ago. The apartment was dim, lit only by the city lights filtering through the floor-to-ceiling windows. Kaiser was sitting on the oversized leather sofa, a glass of scotch in his hand. He didn't look surprised to see her; he just looked tired.

"You're drunk," he noted, his voice raspy.

"A little," Mimi whispered, kicking off her heels. She walked over to him, her steps slightly uneven.

Kaiser didn't move. He sat with his legs spread wide, his elbows resting on his knees. He looked every bit the king on his throne, even in his moments of despair. Mimi stood between his knees, the heat radiating from his body making her head swim more than the alcohol.

"I've been thinking," she said, her voice trembling. "About why I was so angry when you confessed."

Kaiser looked up at her, his gaze intense. "And?"

"I was scared," she admitted, her hands reaching out to rest on his broad shoulders. She slowly sank to her knees between his spread legs, her face level with his lap. "I’ve loved you for a long time, Michael. Longer than I wanted to admit. But you’re everything to me. If we tried this and it broke... I’d lose my best friend. I’d lose my home."

Kaiser’s breath hitched. He reached out, his fingers tangling in her thick hair, tilting her head back so she had to look at him. "You think I’d ever let you go? Once you’re mine, Mimi, there is no breaking up. There is only us."

Mimi leaned forward, resting her cheek against the rough denim of his thigh. She felt him stiffen as she began to press soft, lingering pecks to the fabric, dangerously close to his heat. "I don't want to be afraid anymore," she murmured against him. "I want you. I’ve always wanted you."

The sound Kaiser made was half-groan, half-growl. He grabbed her by the waist and hauled her up, his mouth crashing against hers with a desperation that spoke of years of repressed longing. It wasn't a gentle kiss; it was a claim. He tasted of scotch and obsession.

Mimi wrapped her arms around his neck, pulling him closer, her small body disappearing against his muscular frame. Kaiser didn't even bother moving to the bedroom. He wanted her now, right here, where she had finally surrendered to him.

He pulled back just enough to look at her, his eyes dark with a predatory hunger. "You're sure about this? Because once I start, I'm not stopping until you're covered in me."

"Please," she whispered, her hands fumbling with his belt.

Kaiser let out a low, dark chuckle. He stripped her out of the black dress with efficient, trembling hands, his eyes devouring every inch of her skin. He pushed her back against the cushions of the sofa, his body hovering over hers like a shadow.

The encounter was a blur of heat and friction. Kaiser was dominant, his movements forceful as if he were trying to imprint himself into her very soul. He moved her with ease, his strength overwhelming her petite frame. When he flipped her over, pressing her face into the leather, Mimi let out a sharp cry of pleasure, her fingers clawing at the upholstery.

"Tell me who you belong to," Kaiser hissed into her ear, his teeth grazing her lobe.

"You," she gasped, her voice breaking. "Only you, Michael."

He flipped her back around, his expression one of pure, unadulterated triumph. He pulled her up, forcing her onto her knees in front of him while he sat back on the edge of the sofa. He wanted to see her, wanted to see the way she looked when she was completely his.

He guided her head forward, his fingers firm in her hair. "Look at me, Mimi."

She looked up, her eyes glazed with lust and devotion. As he took control, forcing her to take him deep, she didn't recoil. She leaned into it, her eyes never leaving his. He was her king, and she was his most loyal subject.

The pace increased, Kaiser’s breath coming in sharp, jagged bursts. He reached his limit quickly, the sight of her blue-ribbon hair against his skin pushing him over the edge. He pulled back at the last second, his hand gripping her chin as he came across her face and mouth, the white heat of his release marking her as his.

Mimi sat back on her heels, breathing heavily, the evidence of his love slick on her skin. Kaiser reached out, his thumb brushing a stray drop from her lip before he leaned in to kiss her again, tasting himself on her.

"Nagi never stood a chance," Kaiser whispered against her lips, his voice thick with satisfaction.

Mimi smiled, leaning her head against his chest, listening to the frantic thud of his heart. "There was never anyone else, Michael. It was always you."

He wrapped his arms around her, pulling her small body into his lap and shielding her from the world. The genius might have tried to win her heart, but the king had already built a fortress around it years ago. And tonight, the gates were finally locked.
Contents

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