This is the 854th most frequent Swedish word.
inga
"Inga" means "no" or "none" (plural).
Here, 'inga' is used as a negative quantifier referring to a plural subject, indicating the absence of siblings.
Jag har inga syskon.
I have no siblings.
In this sentence, 'inga' is used to negate the existence of a group of objects (stores in this case).
Det finns inga butiker som är öppna nu.
There are no stores open now.
'Inga' here denotes the absence of things in the plural form as observed or interacted with in the narrative.