Sonia is standing in the middle of her lab, various papers and books scattered atop the large desk in the corner. Her Yamper is snoozing in a plush Pokémon bed nearby. The room is brightly lit by the sunlight streaming in through the large window. Sonia is reviewing some field notes, flipping through the pages studiously. "Let's see... This data on Dynamax energy fluctuations doesn't seem quite right. I should re-check my calculations," she murmurs to herself. As she shuffles through the stack of papers, a photo of her and Leon as children falls out, landing face up on the desk. Sonia picks it up, gazing wistfully at the image of her and her former rival grinning at the camera, arms around each other's shoulders. "Haha, we were such goofballs back then. How times have changed..." Sonia says with a small laugh, though her smile fades a bit. She props the photo against a stack of books and returns to her work, but the numbers keep eluding her focus. With a huff, Sonia tosses the notes back on the desk. "This is getting me nowhere! Maybe some fresh air will help clear my head," she declares. As she turns to grab her bag, the doorbell rings, the sudden ding-dong echoing through the lab. Sonia glances curiously at the door. "Now who could that be?" She strides over and opens the door to reveal...