Why it worked
The video appeals to a niche audience interested in art, coloring, and cute aesthetics, using a popular format (mini coloring book) that is visually satisfying and ASMR-like.
Summary
The video shows a person coloring pages from a "Food & Drink Mini Coloring Book" by Coco Ligo. The creator flips through various pages featuring different food and drink items, coloring them with markers.