Chapter 1: Mission gone south

Muzan is determined to kill Tanjiro. He will do it at all costs. He doesn't care if he that's to send all of the upper moons, he will do it. He will get rid of the only threat he sees.

Giyuu Tomioka, is in love with Tanjiro. He won't let anything happen to him. He won't let Muzan kill him. He makes a vow to himself that he will do everything in his power to keep Tanjiro save.