Mass Effect: Biotic Breeding (Patreon)

 After meeting with Jack to save her students at Grissom Academy, Shepard and his girlfriend Tali help her in her rescue, only for a Cerberus scientist to force the biotic and the commander to breed before him. They play up the forceful nature said scientist is looking for, unaware that Tali is watching them at one point throughout... 

The story is available for patrons at Early Matinee tier, and will be publicly available in two weeks.