Surprise Event: Special Alphabet

You know that energetic and anxious feeling you get every September... Like, you're ready to tackle the world of academia?! To commemorate such an exciting time of the year, I'd like to give you a special gift! Whad'dya say?

Wha... what? You don't want my gift? But it is a letter that you desperately need! It's just one letter so... what's the big deal?