ナップザックであれば
nappuzakkudeareba
1. If/when it's a backpack; If it were a backpack
★ Common
Noun
#92509
1. If/when it's a backpack; If it were a backpack
1. knapsack; rucksack
1. Let's…; Shall we…
1. To have someone do; To let someone do
1. Must do; Have to
1. Cannot have; Cannot do
1. If there is; If you have
1. Don't have.; Don't do.
1. Seems like there is; Appears to be