Erkang listens to swallows in class. The first episode.

25 episodes. The two characters come from the flying swallow in Princess Zhu Huan. In 25 episodes of this TV series, in order to train the swallow, Gan Long sent the swallow to Ji Xiaolan's class and made many jokes. Princess Zhu Huan Episode I is a costume comedy of Qing Dynasty based on Qiong Yao's novel of the same name.