Jizz

Girl with a parasitic twin growing out of her head; another head that can smile and blink...

Deformed

Parasite is sucking the power out of Power Girl

rule34

Spider-girl parasite by Doomington

transformation

Raven and Power Girl loses their fight against Parasite [DC Comics] Artist: flick

rule34

Girl with her parasitic twin on her back

WTF

Metallizing Parasite Lunatite infecting Dark Magician Girl

yugioh_nsfw

Power Girl defeated by Parasite by TheAmphioxus

superheroinesdefeated

Fox Tail Parasite [F Human -> F Kitsune/Fox Girl; Possession] - bryan spoty

transformation

[Mythology/Monster Girl/Absorption] Dungeon of the Parasite Dragoon by Inkblot

Inanimate_TFs, Hentai_Merge_Together