Imma not gonna drooool alone.....

Reader-added tags include "Luxury", "Nanachi", and "Nnaaah! Nnaaah!" (I'm assuming from context that this is a noise Nanachi makes.)

Moonspeaker said:

Reader-added tags include "Luxury", "Nanachi", and "Nnaaah! Nnaaah!" (I'm assuming from context that this is a noise Nanachi makes.)

It's the Nanachi sound, yep

Moonspeaker said:
"Nnaaah! Nnaaah!" (I'm assuming from context that this is a noise Nanachi makes.)

Yeah, it's a reference to Nanachi trying food scene(obviously, minor/major Made in Abyss spoilers at the link)