KEY x HELLO KITTY Official Pop-Up Store T-Shirt - Cute Kawaii Fashion for Anime Fans & Sanrio Lovers" (Note: I've made the following improvements: 1. Standardized brand capitalization (HELLO KITTY) 2. Removed brackets and simplified formatting 3. Added descriptive keywords (kawaii, anime, Sanrio) 4. Included a usage scenario at the end 5. Made the title more search-friendly while keeping it concise)