When he was a child, Zhang Chengtian was not afraid of anything, he didn't care about anything, and he didn't take anyone seriously. Later, Zhang Cheng grew up with a heart of glass, and he was afraid of everything and cared about everything. Sometimes she really wants to become a snail. At least she has a little world that is completely her own. At least she can hide in that little snail shell when she doesn't want to face the world.
Concept: The snail children met a lot of people on the road of growth, lost a lot of people, stumbled a lot, and then slowly learned to grow up.