Shortly after the events of Noveria (Mass Effect 1), the Commander has business to attend to in Citadel. She gives her crew a leave, but decides to stay at the ship instead of looking for somewhere else to sleep. Long story short, Joker and Shep have a mildly drunken one night stand, hinting to something more.

Snape is given the special task of introducing a young and impressionable Harry Potter to the wizardry world and its perils. The task leads to greater developments and unlikely events in the lives of Severus himself and the boy he swore to protect. A rewrite of my old story, What if Snape.

A little thing I wrote about "And we were going to use bunnies!" thing in the movie. One-shot.

What if Snape takes Harry to Hogwarts instead of Hagrid

"But it's impossible, Miss Granger.Tom Riddle is a Gryffindor."