Persona: Trinity Soul EP10 - The Shadow Smiles at Dusk

Set parallel to the events at the ocean with Shin and Eiko, Kanaru is trailed by Narasaki, under Itou's orders. After following her into a wooded area, Narasaki witnesses Megumo training Takurou on how to control his Persona. Narasaki doesn't get to see much of this before Inui finds him.