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Web of Worlds

Summary:

“My name is Kuroo Tetsurou.
In this dimension one and only Spider-Man.
At least I was”

Notes:

Hello! This is an haikyuu Spider-Man AU crossover I did starting from drawing it on TikTok. I’ve decided to write it down to be more detailed and show more! Sorry for any mistakes, English is not my first language! Have fun and prepare the tissues!
TikTok: @m0ch15

Chapter 1: PROLOGUE

Chapter Text

In the heart of Tokyo, where glass towers touched the clouds and the streets buzzed with life, a young man named Kuroo Tetsurou moved through the crowd. At first glance, he looked like anyone else: dark hair messy from the wind, jeans a little worn, and a vintage band T-shirt that fit just right. But as the sun dipped below the skyline and the city came alive with neon lights, Kuroo prepared for what came next.

Nightfall was his true beginning.

A rush of excitement ran through him as he pulled on his custom-made Spider-Man suit: black and red, with an intricate spider emblem spread across his chest. Then, with a single step from the open window, he leapt into the night. The wind roared in his ears as he swung between the skyscrapers. Tokyo blurred around him, bright signs, car lights, and shadows blending into one endless stream of motion. Up here, Kuroo wasn't just another face in the crowd. Up here, he was Spider-Man, protector of the city that never truly slept.

From above, the streets looked like woven threads, each carrying stories of laughter, struggle, and dreams. People ate at food stalls, met friends in bars, and hurried home from work, unaware of the guardian watching over them.

But tonight felt different.

His web shot out, catching on a distant building as he swung toward the Tokyo Skytree. Landing softly at the top, he paused to take in the view. Then he saw him. A figure in white stood nearby, the city lights reflecting off his gleaming suit. It was another Spider-Man. His suit shimmered faintly, and a bright emblem glowed against the pale fabric.

Kuroo narrowed his eyes. "Who are you?" he asked, his voice low but steady. "And where did you come from?"

The white-suited figure stepped closer, his movements confident yet calm. "Ah, there you are!" he said. "I hope this is the right universe".

Kuroo tensed, unsure what to expect.

The stranger held out a hand and introduced himself. Then with a sudden serious tone he added "You need my help".