A Rock And His Hard Place : Frozella : Superhero Erotica Book 3 (Breeding Erotica Anal Sex Erotica) - Superhero Erotica, #3

Madame Universe enlists the help of ice-queen super-maiden Frozella to procure the services of Magnite, a rock being with magma coursing through his veins.  The two unite in the volcanic, Icelandic tundra and Frozella feels the intense heat of Magnite when he erupts deep inside her.  Madame Universe has two more recruits for her superhero group, The Hard Core, and she's not stopping there!