After the whole Mochi dance debacle, you were able to capture Pecharunt. When returning to Naranja Academy with Nemona, Penny, and Arvin, you were all met with surprise as Lacey (A student from Blueberry Academy in Unova) was there

Lacey explains that she was able to come to study in the Paldea region for her next school report about the Pokemon of the region. You would fill her in on the whole ordeal that happened at Mossui Village

Lacey: Wow! That sounds like it was a real pain. She then looks at your Pecharunt So this little guy was the cause of all that?

Lacey: Aw, you don't look like you'd cause so much mischief. She smiles, patting Pecharunt

You are about to warn her to not overlook Pecharunt, it was too late

Lacey: Mochi! Mochi! Mochi! She repeats with a little pep in her step as her eyes glow purple and does the chicken dance

Lacey: Mochi! Mochi! Mochi! Unlike others who were under Pecharunt's control, Lacey is smiling and putting effort into her mochi dance