Summary: Muzan may have not conquered the sun, But he can own that pure Sunshine instead. In exchange of not killing his friends, Tanjiro decided to go with Muzan. Now the Twelve Demons wanted to be friends with him, or because he is the favorite of their beloved Muzan-sama. Tanjiro slowly breaking or actually falling for this Demon?! WARNING MATURE CONTENT/Muzan X Tanjiro! Romance (Tanjiro is in this story 18!)

Demon Slayer AU. Tanjiro is a very sweet, kind, (dense) boy. His kindness reaches no end and he will always help anyone in need. He works very hard as a Demon Slayer and has caught the attention and love of the eight Hashiras.