Being the scientist she is, Twilight cannot help but try to learn as much as she can about many of the strange things that have entered her life in recent days. Of particular interest to the former Crystal Prep girl are the three Sirens she has befriended. So, one day, she invites both them and Sunset to a presentation on a subject that, frankly, none of them were expecting.

Part of my EG Continuity

(Sex tag because of discussions within the story)