Zuoshi recounts how he was rescued by Yaya and Rongrong on the cusp of dying. He fell in love with Yaya and worked as hard as he could to be noticed by her. He became the youngest Fox Spirit in Tushan to cultivate a human form. Despite his achievements Yaya's gaze only watched Susu. One night while lamenting and doubting his self worth, the Shadow Fox Empress appeared to Zuoshi and offered him a deal to help win over Yaya which he accepted. Back in the present, Zuoshi tried to force Bai Yuechu to show him what his heart's greatest desires were. Zuoshi was shocked when he saw only the image of a giant cake, and then Yuechu attacked him revealing that his poor upbringing had allowed him (along with his father) to become the master of his own dreams (having always been daydreaming of better things).
Unfortunately Zuoshi's illusions managed to work on Susu and she began to walk forward towards Yuechu muttering, "I don't want to" (我不要). Yuechu confused by her sleepwalking and suddenly taller height, tried to wake her up, but Susu then punched him with great force and he was able to block it just in time with his staff (which broke due to the powerful blow), but was still sent flying through the wall. As Yuechu looked up at Susu he saw that the little Fox Spirit grew taller and more mature with each step, continuing to mutter that "I don't want to", and calling him "Little Daoist." With a final scream, the fully grown Susu punched Bai Yuechu, the deadly force sending him smashing through the ground and leaving behind a massive crater of destruction.
Taken by surprise, Yaya left her defense open and was dealt a heavy blow by Shi Kuan. She managed to freeze Shi Kuan and ran after the transformed Susu, who then attacked Yaya drawing her blood with a blow. Zuoshi then boasted to the trapped Rongrong that he was able to manipulate and control Susu because of "that incident" that happened in Tushan Honghong's past life.