Yahiko mostly known as pain, happens to be leader of akatsuki, well that's what every one thought. But no this man was want's the one who was controlling akatsuki, he died 15 years ago, scarifying himself to say his beloved and best friends. But that wasn't everything. In order to seek revenge from the world, his best friend - nagato, did use his body, to represent the akatsuki. Yahiko saw everything even though he was dead, due to nagato using his chakra to manipulate Yahiko's corpse, the ghost version of Yahiko couldn't pass on, that's what ghost thought but that wasnt the the truth, not a single bit. For some reason he didn't see the red string that was attacked one end of his finger but other it wasnt konan it was someone else, but who he needed to know. Even the blonde jinchuriki they were after, he saw the red string. He also understood by blonde's expression, that he noticed it too.
Yahiko knew his true mate wont accept him, since he is an akatsuki. But that wasnt the truth, he thought of glancing at his beautiful mate, his eyes widened when he saw a genuine smile that was plastered on his face. Yahiko knew his best friend nagato also noticed the red string. His own best friend was trying his best to not to hurt his best friend's mate.
"You're different from what I expected," she said softly.
"How so?" he asked, glancing at her.
"I don't know," she replied, searching for the right words. "You just... have this way of making people feel like they matter. Even here, in this... nightmare."
He was quiet for a moment before responding. "You matter, Y/n. Don't forget that."
OR
Y/n wakes up in the deadly Squid Game, surrounded by strangers and fighting to survive. What she doesn't know is that the mysterious Frontman is watching her every move through the cameras- and she's caught his attention.