you were living with your family a happy family until your family was slaughtered by a demon (the demon king muzan)the only family member you have left is Mitsuri and she’s a demon now…a good demon atleast

but how did it get to you travailing with a simp for your sister Obanai, then we have a hot headed guy named Sanemi, we have your love interest as the story continues giyuu or shinobu if prefered we got a guy that claims to be the god of festivals named tengen, and a loud ass man names kyojuro,