ワンピース 21STシーズン DVDの買取情報

It looks like you are referencing a specific DVD release from the anime series "One Piece." The information you've provided indicates that it's from the 21st season, specifically the Egghead Arc, and it appears to be episode 15 (PIECE.15).
If you have questions about the content of this particular episode or the series in general, or if you want to know more about how to purchase or find this DVD, feel free to ask!