For Lu Yanxing, clothes are armor and disguise. For Jiang Xun, design is anatomy and gaze.
She sewed his shirt and dismantled the threads of his disguise inch by inch. When he went from "acting perfectly" to "exposing vulnerability", from "impeccable" to "losing control for her" -
This battle that started with size ended with her unique soul tailor-made for him.
Purpose: Find unique sincerity in tailor-made disguise.