Amane Kanata's official piece of merchandise that has gained a notorious memetic status for being an "overpriced rag," mainly due to its consistent ridicule by Kiryu Coco.
The text reads:
★PP天使★ PPは僕を裏切るけど、僕は君を、裏切らない。
★PP Angel★ PowerPoint may betray me, but I will never betray you.