Xin-er

Xin-er is a character from the novel The Langya List (introduced chapter 121 of the webnovel) and the show Nirvana in Fire.

She is concubine Jing's handmaiden.

She is executed on the order of the Emperor for having betrayed her mistress by telling Empress Yan about Consort Chen's funeral tablet.

Adaptations
She appears for the first time in episode 2 of the show. She is named xiao-Xin ( 小新, xiǎo Xīn ). She is Hua. She doesn't get executed after betraying Consort Jing, though she is threatened to be sent to the Department of Prudence and Penalty if she doesn't confess the plot in detail to Xiao Jingyan.