You're literally panicking over nothing. These images aren't real.

Reacting to new imagery is what brains do. Your imagination takes that and transforms it into what you happen to find arousing which is simply a chemical reaction in your head.

You don't want to murder or hurt anyone, and you aren't and don't have to.

You're able to enjoy content brought to you by capable designers and artists that also find beauty in the macabre.

Writing a story in which someone is killed doesn't make the author a murderer, nor the reader sick in the head.

Get passed the panic and move forward. Don't return if you feel it's best but not everyone here is incapable of adjusting to their fantasies and most arent moral monsters.

In fact, people love taboos because they know and understand wrongness. Thank heavens they don't have to act on particular fantasies to do evil in real life when it can be done in fiction.