What episode is the kissing scene between Adam and Guan Xiaotong?

The kissing scene of these two people is in the fourth episode.

In the TV series "Zeng Juvenile", the drama club held a celebration banquet. Yang Cheng took the initiative to propose to Xie Qiao and knelt down to Wang Ying. Xie Qiao was drunk and fell into Yang Cheng's arms. The next morning, Yang Cheng came to Xie Qiao and kissed her without saying anything. Qinchuan came to stop and beat Yang Cheng. Xie Qiao was furious and publicly admitted that Yang Cheng was her boyfriend.