Contents:
- Rucksack: Sunny "A pouch-style bag worn on the back. Looks lumpy if you put too many things inside."
- Waist Sack: Sunny "A small rucksack-like bag worn on the waist. Holds more than it appears it can."
*You can buy it at any time in the game shop( Fashion Store in Castle St. ) when you purchase it.

More details on the official game page of Rucksack Set ...