A foxian working in the Sky-Faring Commission of the Xianzhou Luofu, she is the Amicassador of the Whistling Flames merchant guild.

In her first introduction, Tingyun was revealed to be an imposter impersonated by the Lord Ravager Phantylia, and presumed deceased after her body disappeared. The real Tingyun, was later found by Ruan Mei in the wreckage of a Whistling Flames ship and brought back from the brink of death as Fugue.

(Source: Honkai: Star Rail Wiki)