Summary of all song interludes in "The Summer Solstice Has Not Come":

Interlude:

"That Boy" - Wang Sulong

"I Miss You" "--Jin Zhiwen

"Not yet"--Yu Kewei

"A person's scenery"--milk coffee

Theme song:

"The Summer Solstice Has Not Arrive" - ??Hu Xia

Ending Song:

"The First Memory" - Xu Jiaying