Milmo de Pon! Complete Set

This is the complete set of Mirumo de Pon!.
Volumes 1-10 were purchased new, while volumes 11 and 12 were purchased used.

There is overall yellowing, and some pages have stains and dirt in places, as shown in the 4th image, but this does not affect readability.
This is a used item, so please understand this before purchasing.