The brilliance of making a character like Celica portable lies in the subversion of power dynamics. Tsundere characters often dominate the social space with their aggressive personalities. By shrinking her, the story forces her to rely on the "dense" protagonist she’s been scolding for years.
Whether you're here for the "it's not like I wanted to fit in your backpack!" dialogue or the genuine heart-to-hearts that occur when the world is suddenly ten times larger, the is a trope that isn't going anywhere—mostly because she's tucked safely in the main character's pocket. celica magia tsundere childhood friend becomes portable
The Ultimate Metamorphosis: Why the "Celica Magia" Tsundere-to-Portable Trope is Taking Over The brilliance of making a character like Celica