Parasite Mage

Oliver Green, finally did what no one in his family was able to, he reached level 5 as a parasite mage. With it, he gained a new ability that allowed him to create a new parasite called, animal parasite. What will he do with it? Also, I am not a native English speaker and I apologize beforehand for any mistakes, if you find it in you to tell me where I make any errors, please comment on them and I will fix them. My online name for other novel sites such as royalroad and scribblehub is Abysn as well, I will post this novel there as well. Additional tags: Mind Control - Adult