Heartbeat, 20 years old, which issue is Cai in the third season?

The fifth question. According to the content of the variety show "The Third Season of Heartbeat at the Age of 20", I thought that Ze Ze Zheng had long recognized it as a two-way arrow and had a good impression on each other, but in the fifth period, the fifth female guest appeared, with Cai as a guest guest. At the end of the guest message session, He Ze Ze also chose to contact other guests. Cai's first appearance was in the fifth issue. "The Third Season of Heartbeat at the Age of 20" is a reality show of love observation in 2023, which was produced by Xiaomei Studio, with the exclusive title of Evergreen and the studio made by Youku.