The part where the little pig sneaks up on the emperor is Lin Youshu’s ASAP, from BOSS.
Memory Kiss is your BGM.
When Huang Bo chased Huang Lei but was attacked by Luo Zhixiang, it was Giant's BGM, which also belonged to Hiroyuki Sawano.
Wang Xun saw through Luo Zhixiang’s plan and it was Whacked Out Conspiracy, which came from Madagascar.
Zhang Yixing chasing Huang Lei is the BGM of C3.
Wang Xun chases Zhou Dongyu as the BGM of Giant. The title of the song is very complicated, but Hiroyuki Sawano’s songs are all very similar.
When Huang Bo chased Wang Xun, it was Sawano Hiroyuki’s Aliez.
Zhang Yixing was defrauded of money by Xiaozhu, which is the aria of Jin Zhi's sin.
The second time Wang Xun chased Zhou Dongyu was BLCK, from Yilong.
The last thing everyone followed Wang Xun was Hiroyuki Sawano’s three-dimensional body motion, which was produced by Giant.
Zhang Yixing took the cable car and shouted, "My Big Mountain Wind's Labyrinth Raku," from the Japanese drama Mystery After Dinner.
Climbing a snow-capped mountain and breathing oxygen together is Gong 19, from Sin Crown.
The BGM of Zhang Yixing climbing a snow mountain and remembering Killing is a Giant.
Little Pig and Zhang Yixing’s Laughing Mania is the Great Wall, from the Little Master of China.
The music at the top is RE:I AM by Aimer, from Unicorn.