The Slime at Sea
Tags: f/solo, h/solo, transformation, goo, slime, semi-symbiote, stingray, cock growth, breast growth, sensitive, pleasure, hive mind, science, sealed, cute,
The Gates of Hell, Chapter 1, Vanguard
Because for him to "evolve" he had to find a suitable host with which to merge because he was a semi-symbiotic life form. he is not a parasite as he does not live off the other life form, he merely uses it to increase his own mass and intelligence.