In general, the status of Hellraiser comics as canon can be a bit ambiguous. It often depends on how closely they align with the main storylines and established lore of the Hellraiser universe. Sometimes, there might be contradictions or variations that make it hard to determine their canonicity definitively.
The story of Hellraiser is quite dark and complex. It involves a puzzle box that opens a gateway to a realm of extreme pain and pleasure, and characters who are drawn into its terrifying clutches.
I'm not entirely sure specifically what 'hellraiser visual novel' is about without more information. However, generally in a visual novel related to Hellraiser, it could center around themes of pain, pleasure, and the otherworldly. It may tell a story of someone's journey into the realm of the Hellraiser mythos, with different choices leading to various fates.
The background of Hellraiser is quite mysterious. It centers around the Cenobites and their macabre world, often luring people in with the promise of extreme experiences that turn into eternal torment.
Another great 'hellraiser fanfic' might revolve around a character who has a personal vendetta against Pinhead. This character could be a descendant of someone who was wronged by the Cenobites in the past. So, they set out on a journey to find a way to defeat Pinhead and free their family from the eternal torment that the Cenobites have inflicted upon them. Fanfic writers often take these kinds of deep, character - driven concepts and build entire stories around them.
It might have unique art styles that capture the dark and grotesque nature of the Hellraiser world. The visuals could be very detailed when it comes to depicting the Cenobites and their hellish surroundings.