Secret Grocery Store

The Secret Grocery Store  is a mysterious building on Endless Island that stores shameful memories from whoever walks inside.

Description
When the trio first discovered it in Secrets Forever, this building appeared abandoned and completely empty. However the longer they stayed inside, the more its shelves started to line up with different packaged food items, including: bran cereal, orange juice, pickle jars, shrimp chips, dry pasta, and canned beets.

Each food item featured one of the kids' faces on it, and whenever they opened one, they were transported to a shameful memory from that kid's early childhood.

The food items would remain on the shelves until the kids resolved their shame over the memories they contained.

Trivia

 * The building itself is clearly listed as a grocery, but the words that appear on its signs and food packages are illegible and seem to be inspired by both English letters and Japanese katakana symbols.
 * All of the food items inside stored a shameful memory except for one: a pickle jar printed with Twelve's face on that reminded her of a positive scene right after the painful memory of no other kids showing up for one of her birthday parties.