Conversation so far:
When did Josie and the Pussycats come out?
Josie and the Pussycats was published from 1963.
Had Josie and the Pussycats been featured in Archie comics before the debut of Josie and the Pussycats?
Josie was introduced approximately simultaneously in Archie's Pals 'n' Gals #23 (Winter 1962-1963), and in her own title.
Did Josie and the Pussycats tell about the formation of the Pussycats?

Question: What is the story of Josie?
Self-contained rewrite: What is the story of Josie and the Pussycats in the comic Josie and the Pussycats?