What constellations are Chinese fir and Phoenix Teng in Chinese fir?

Shanshan and Feng Teng in "Late Arriving" are Gemini;

Gemini people are a kind of existence that comes and goes without a trace, and their yearning for new things makes them want to stop. However, the enthusiasm and duration of a thing depends on its attraction. Gemini people yearn for a simple and clean lifestyle, both emotionally and professionally. Although they do not pay much attention to the details of life, their inner feelings are very delicate.