❤️The Demon King's only Sun❤️ [Muzan x Tanjiro]

What would happen if Tanjiro was fighting a lowermoon demon and killed it on his own..? what if this caught the attention of Muzan for some reason and wanted to keep the kid for himself...What happens when Tanjiro has to escape the evils of his worst enemy...Will he die or fall in love? Read to find out! This au Nezuk...