In addition to telling the moving love story of the male and female protagonists, "Once in a Lifetime" has other characters in it. Compared with male characters, the audience is more concerned about the ending of female characters and wants to know what the final outcome of the female characters they value will be. First of all, Shi yi, as the heroine, Shi Yi's ending is also the happiest. From a young age, I have memories of past lives, know who the person I like in my heart is, and have always longed to meet each other. Therefore, when I saw the same at the airport, I remembered Zhou Shengchen, desperately chased after the other party for contact information, and took the initiative to contact the other party. The two developed their relationship very quickly, only met three times, and planned to get engaged before they knew each other deeply. After marriage, the two deepened their understanding, only to find that the other was each other's soul mate, although they encountered the opposition of the Zhou Shengchen family and encountered many twists and turns, but in the end they were successfully together.
Hong Xiaoyu is Shiyi's girlfriend, but also has been supporting Shiyi to pursue his lover, when Shiyi chased Zhou's birthday, Hong xiaoyu also helped a lot. Although he is the "best assister", Hong Xiaoyu's emotional road is not particularly smooth, and he has met a scumbag. The scumbag approached her only because she was a good girlfriend of Shiyi and wanted to use her to get more information about Shiyi and Zhou Shengchen. Hong Xiaoyu bravely dumped the scumbag after knowing it, but God still cared for her, and at the wedding ceremony when it was appropriate, she also met her lover who had no fate in her previous life. As a big miss of the Zhou family, Zhou Wenxing is gentle, kind and lovely, and Zhou Wenxing also has people she likes, she likes Mei Xing, but Mei Xing likes Shi Yi. Later, Zhou Wenxing chose to chase Mei Xing backwards, but it is a pity that Mei Xing has always been Zhou Wenxing's little sister. Zhou Wenxing lost his life because he helped his brother Zhou Wenchuan.
Tong Jiaren is Zhou Shengchen's green plum bamboo horse, who has had a crush on Zhou Shengchen since childhood, and has always thought that she will become Zhou Shengchen's wife. Shi Yi's appearance broke her plan, and after taking the initiative to confess that she was rejected, she actually chose to marry Zhou Shengchen's younger brother. After marrying, he still appeared around Zhou Shengchen, and later divorced Zhou Wenchuan and went abroad.