One of the most talked-about elements in her recent videos is her approach to . This design philosophy focuses on:

It was a quiet Tuesday evening when Fei Juena first noticed the crack in her world. Not a crack in a wall or a window, but a crack in the way she tasted things. Juena, known online as the "Sugar Heart Vlog," had built a following of over two million sweet-toothed dreamers who watched her dissolve into bliss over caramel tarts, honeycomb brittle, and marshmallow fountains. Her signature move? An "M-shaped open le best"—a dramatic, lip-smacking, eye-rolling expression of joy that her fans had turned into a meme, a merch line, and a mantra.

, hemline, or even a specific hairstyle featured prominently in the "best" or most popular clips of the vlog.

Living the Best Life: A Day with Fei Juena (Le Best Edition)

: Known for weatherproof and smudge-proof stone paper.