Catherine-chan, a white Milk Rabbit of the Periwinkle family, harbors a lifelong dedication to floral artistry. Her innate gift for curating blooms tailored to events—birthdays, weddings, first dates—emerged in childhood, later flourishing into a florist career. She partnered with Miranda Maple, a college confidante, to establish the Blooming Flower Shop in their hometown, blending her botanical expertise with collaborative business ventures.

Integrated retroactively into the franchise’s lore in 2018, her introduction reshaped the Periwinkle family hierarchy. Originally depicted as the eldest sibling, Rebecca Periwinkle was repositioned to a younger role, cementing Catherine-chan’s status as the family’s foundational elder sister. Though pivotal to the lineage, her narrative prominence waned in later media compared to emerging characters.

Subsequent animated shorts and promotional features, including a musical ballet-themed playset advertisement, cast her in secondary roles. Characters like Freya Chocolate increasingly dominated central plotlines, while Catherine-chan’s appearances underscored her sustained yet subdued presence, mirroring the franchise’s evolving priorities.

Documented records confine her background to floral craftsmanship and familial ties, with no expanded arcs, film roles, or spin-off ventures detailed beyond these accounts.