Wow... A greedy king gets bored. An old dude shows up and gives this king a Spirit stone. This stone turns into a monster that reflects the owner - So it's a big monster with lots of desire. They have sex + this creature actually made him immortal.
Read ch. 4
A captain of a spaceship gets captured by a tentacle "plant" alian, raped by said "plant" and the raped by his infected subordinate. He survived in the end just to be owned by another dude...
Monster Throne