In the first episode of the entertainment district arc, we have encountered the former flame hashira, Shinjuro Rengoku. But, have you ever wondred, Why he gets angry after seeing Tanjiro's earrings?

The Demon Slayer anime gets a lot right, but these moments were just better in the manga.

Interestingly, there is one case where the villain defeated himself, which spoke volumes about that character's own arc.