It incorporates elements of bondage along with the vore that you can only typically find in plant vore, and occasionally blob vore, both of which i believe are under-represented as well.
Alien, Balls, Bondage, Boner, Climax, Cock, Cum, Cumshot, Dark, Death, Erection, Feline, Forest, Male, Masturbation, Mild Violence, Multiple Species, Orgasm, Predator/Prey, Prey, Spider, Tiger, Webbing, danger, paralysis, peril, predator, vore, web