Whether or not Demon Slayer is haram in Islam is a matter of individual interpretation and depends on personal beliefs and the environment in which one was raised.
According to one reference:
Islamically watching anything from plays to movies and anime is considered wrong. However, depending on the environment you were brought up in, you might think that doing these things are perfectly fine. (30-Mar-2021)
Essentially, there isn't a single, universally agreed-upon answer within the Islamic faith regarding the permissibility of watching anime like Demon Slayer. The decision rests on the individual.
Factors to Consider:
- Content: The themes, characters, and narratives present in Demon Slayer might conflict with Islamic values.
- Personal Interpretation: Individuals interpret Islamic teachings differently.
- Cultural Background: Upbringing and societal norms play a role in shaping opinions on entertainment.
Summary
Ultimately, determining if Demon Slayer is haram requires careful consideration of its content, personal beliefs, and understanding of Islamic principles.