蜡笔小新 — Crayon Shin-chan
What Is 蜡笔小新?
Shinnosuke Nohara — the 5-year-old protagonist of the Japanese manga/anime — with his signature smug grin, absent sense of shame, and complete immunity to social pressure. His various expressions became one of the most widely used sticker categories in Chinese messaging apps.
Origin
Crayon Shin-chan (蜡笔小新) has aired in China since the early 2000s and has a massive fanbase. Around 2016, users began extracting frames from the anime as reaction stickers. Shin-chan's personality — mischievous, self-satisfied, completely unconcerned with consequences — made every expression work as a reaction image.
Cultural Context
Shin-chan became beloved in China specifically because of his total lack of shame. He represents the id — doing what you want, not caring what people think, finding everything funny. For adults tired of social performance, a Shin-chan sticker expressing 'I know I shouldn't be doing this and I'm doing it anyway' hit differently.
How It's Used
When you're doing something you shouldn't, know it, and are choosing not to care.