I dunno what they called it, but it's the sliced edges(outer layers) of cakes, the bakery put them in a packet and sold them cheap.
Just like bread crumbs, except it's cakes'.
Hello, can you please reupload in Mexashare or Katfile
https://www.anime-sharing.com/threads/200228-poro-のぞき彼女-上書き性服・楓~剥がれ注ぐおじさん棒~.926121/
https://www.anime-sharing.com/threads/191227-poro-のぞき彼女-「見つめる優等生・楓~転がり堕ちる如雨露」-no-watermark.903452/