Wen Shiya is an empath.
Unlike other empaths who can hear colors or taste sounds, her "superpower" is the ability to see people's emotions.
Joy is pink bubbles, anger is red flames, sadness is blue water, embarrassment is purple mist, resentment is black spikes, and tension is green...
Note:
This article is not sure except that the heroine is Wen Shiya.
Purpose: I would rather demolish a temple than ruin a marriage