Apollo Justice: Ace Attorney Trilogy

This can be acquired during the Day 1 Investigation of The Magical Turnabout, Episode 2 of Spirit of Justice. Trucy will ask you to find a notebook in her dressing room, once you do, present it to Athena immediately, the achievement should unlock after the Dialogue is finished.

If you missed this the fastest checkpoint to load the episode from is "The Legwork Begins".