There are suggestive scenes but not NSFW

A male character forcefully kisses a female character.

Some characters ask to have their blood sucked as they enjoy it. It is presented in a sexual way.

A female character and a male character sit naked, side by side but covered in a blanket. There is no sexual act but this scene can be heart racing.

There are some decapitations and limbs being chopped off, but nothing too bad. No organs of insides are shown, just blood

Vampires eat bloods in this series