I don't believe in astrology. I blame it on being a Leo.
However, my favorite manga draws its central conceit from the Chinese zodiac. (We're in the year of the Sheep, by the way, may the fleece be with you)
The story of how an exceptionally ordinary girl helps the most dysfunctional family in the world stop turning into animals. It's about love, forgiveness, acceptance, and onigiri.
Patterns I love that start with Z:
Zeb the Zebra
Zip Off Color Block Yoke Sweater