While they looked more like grapes and were tagged as such, the translation... and the English text the purple balls are supposed to be blueberries.
Speaking of Patchouli, she sure has a "librarian" feel to her. I remembered Marisa being able to escape from Patchy after stealing books while drinking a soft drink so I decided to have a blueberry mojito. Blueberry from the color of Patchouli.Patchouli too much of a natural airhead in Forbidden Scrollery's Volume 2 bonus chapter was really cute.
Remilia X Patchy is delicious!