Tanjiro died a few years later after the final battle with Muzan. What if he suddenly wakes up in the heian period before Muzan became a demon? Will he change Muzan for the future? Will Muzan change? Lets find out!! ❗Maybe there will be 18+❗ {First story and Also this might be called an English translation cause The original images are in Japanese, and I do not own the characters. This is from an anime called Demon slayer/kimetsu no yaiba} {I might fix some grammar issues! I sometimes post a chapter about for 2-4 days but please do not expect me to post for that specfic date since I have school work and assignments!!} {Old title: change or stay}

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!)