Lagerstroemia speciosa

Lu (Jin) is his younger brother, and he acted in the first and third films.

Radio host Ceng Xiaoxian (Michael Chen) likes Hu Yifei in the play. Everyone calls him Ceng Laoshi.

Hu Yifei (Loura), a university teacher, Zhanbo's sister, the legendary third person-female doctor.

Chen Meijia, who appeared in the first and third films, likes Lv Ziqiao.

Lv Ziqiao (Sean), playboy, carefree nephew.

Sekitani Kamiki (Eric Wang), a laid-back boyfriend, is a Japanese cartoonist.

Tang Youyou (Deng Jiajia), an actress, has Lv Ziqiao's period with Guan Gu's girlfriend.