Well, it could be that the art style is amazing and the plot has a lot of twists and turns that keep you hooked. Also, the development of the characters might be really well done, making you care about them and want to keep reading.
Perhaps the world-building in the novel is so rich and immersive that you just can't get enough. Or it could be that the emotional depth of the story and the growth of the characters resonate strongly with you.
I think it could be that the art style is amazing and the storylines are full of surprises and emotions. Plus, the characters are very relatable and easy to root for.
No, it's not appropriate. Such content is vulgar and disrespectful. We should focus on positive, respectful and inclusive topics in communication and creation.