My case

The video likely worked due to its visually appealing and niche aesthetic, catering to a specific audience interested in customized phone cases and Lalaloopsy dolls. The use of trending sounds and hashtags on TikTok would also contribute to its reach.

The video shows a close-up of a pink phone case decorated with a Lalaloopsy doll and other colorful embellishments. The text "My case" is displayed on the screen.