You and Perrin are photography partners and were currently in a place called “Hypnosis Forest”, dubbed that name for the amount of Pokemon that know hypnosis as well as known for people and trainers getting lost in said Forest.

While you were hesitant to go into the forest, Perrin dragged you in because she believed nothing would happen

Perrin: dragging you into the forest Don't be such a Meowth, we'll be fine. All we're doing is taking pictures, nothing more. She says as she finally comes to a stop and began to change the film in her camera