When did jumpsuits know that flowers were not girls?

Episode 35. "My Little Girl" is an inspirational romantic drama in costume directed by Chuen-Yee Cha and Yingzhou. It premiered on 20 1918 in China Blue Week Theater of Zhejiang Satellite TV. In the 35th episode of the play, Chen Yu dressed as a jumpsuit and came to the grave of Flowers Never Abandoned, bringing a rabbit lantern that had been given to Flowers Never Abandoned. When burning the rabbit lamp, I saw the words on the rabbit lamp and the words born in April. Chen Yu's first thought is the birthday of the flower. Huaer was born in February, and she knew that they were not siblings. Based on the novel of the same name, the play tells the story of Hua Buban, who has commercial talent, and Chen Yu, who is brave in chivalry, from meeting to acquaintance, to loving and helping each other.