"Nào·Guǐ" is an original song mainly featuring Luo Tianyi with YANHE singing in the bridge. IA, MAYU, Hatsune Miku, and Yuzuki Yukari sing at the beginning and ends of the song. Other VOCALOID cameos include: KAITO, Yuezheng Ling, Mo Qingxian, Yuezheng Longya, MEIKO, Camui Gackpo, Nekomura Iroha, Aoki Lapis, Kagamine Rin, and Kagamine Len. The song is about the Chinese Halloween when the gates of hell open and all ghosts are free to roam the earth. This song exceeded 100,000 views on bilibili.