Responses
From the webnovel, she blushed due to the fact that Nie Li was looking at her so hard that she misunderstood it that Nie Li wants something from her (the old when a boy looks at a girl seriously and the girl starts to have her internal monologue of misunderstanding). Well not properly conveyed in the manhua, that's the reason behind it.
ayyy tysm for the great explanation ლ(´ڡ`ლ)
whats she blushing so hard for tho