1. The first song in the opening sequence is Yang Kun's English song "Looking for Her". This song is said to have been written specifically for the movie by Liu Qin. 2. When Shu QI and Ge You drank Jiannanchun, the female voice sounded was Shang Wenjie. She wrote the lyrics herself, "Quand je me regarde". The song turned out to be a Scottish folk song "the water is wide", sung by N people. However, there is another English version, and this is the first time for a French version. 3. On a blind date with Xu Ruoxuan in a teahouse in Hangzhou, the two performed Suzhou Pingtan. 4. GY and SHUQI were chatting in a restaurant before they decided to go to Hokkaido together. The background music was "Allure" by Xiao Shang. 5. The song sung by the four Hokkaido sisters is the old song "Star" by Shinji Tanimura