User Recommendations for Demon Slayer: Kimetsu no Yaiba

both anime deal with demons and humans. The MCs in both anime have a dark past end up becoming demon hunters

Both series have a really good story and a fair amount of blood and gore in them, as well as both of the MCs have a distinct goal in mind, and are even willing to do some crazy shit to achieve them. Chainsaw man and demon slayer both contain demonic-like creatures portrayed as the enemy, but some are also used for good.

Both focus around high octane action demon slaying and lots of violence in it.

So the similarities between these two is that Tanjiro is hunting demons meanwhile Denji is hunting devils. Chainsaw man more violent and gory than demon slayer.