A recently turned adult under the name Tyler Jackson dies painfully at his job before being reincarnated into the world of Demon Slayer. Now being suddenly thrusted into a world where mankind is prey to demons and knowing of the many deaths to come...
The crowd of people went about their business as they continued to their destination, oblivious to the rising danger that was about to occur within a couple of minutes.
The king of demons himself, Muzan Kibutsuji, was speechless as he stared at a human he himself killed with his own hands was somehow standing right in front of him.
"Did my blood turn him into a demon? No, that can't be it, there's no demonic blood within his body at all." Muzan thought as his mind raced across the possible answers to how the boy was even alive.
He remembered two years ago on the night he went back up to the mountain to retrieve the body of the creature only to discover that it had disappeared along with the body of the boy and his family. He also remembered leveling the forest flat in rage of losing the closest clue he had to discovering his path to conquering the sun.
The boy's eyes radiated anger and rage as he stared fearlessly at Muzan as the demon noted that he now wore a demon slayer uniform and carried a Nichirin Sword with him.
"So he went and became a demon slayer? I smell the blood of many demons on him along with... something else." Muzan thought as he narrowed his eyes at the boy.
"Careful Tanjiro, we cannot fight him with all these people around us." Tyler said tensely to make sure Tanjiro doesn't do anything stupid.
"His family are the two people who prevent Tanjiro from doing anything drastic. We are not supposed to fight him now but... I've been wrong before." Tyler thought as he recalled the first time they fought Muzan and he thought the exact same thing.
"Daddy!"
"What?" Tanjiro thought in confusion as Tyler internally sighed in relief.
Muzan turned around and caught a little girl who he lifted and supported her before turning back to Demon Slayer. The little girl giggled and hugged the demon's face before looking at Tanjiro.
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"Daddy, who is that?" She asked curiously.
"What...? He has a daughter?! She smells human though, how is that possible?!" Tanjiro thought as he took his hand off his sword.
"Sweetie, who is this boy? Do you know him?" A beautiful woman asked as she appeared beside Muzan as the three of them looked at Tanjiro.
This was Rei as she was dressed fancy and appeared to be in a whole other pay grade than most of everyone walking in the streets. She smiled at her daughter and Muzan before looking at Tanjiro curiously.
Tyler mentally sighed, "Good, with them here, Tanjiro can't afford to fight Muzan, stick to the canon, stick to the canon, stick to the canon..."
"As far as I know, I've never seen this boy before, he must've mistaken me for someone else." Muzan reluctantly replied before turning his back on Tanjiro and began walking away from the demon slayer.
