Huang Ying Zi --- Yang Zi
Huang Ying Zi is a journalist for an online news media outlet. She is lively, loyal, carefree, understanding, and perceptive. However, her overwhelming emotions prevent her from letting go of her childhood memories with Lan Yi Fei, as she is determined to keep her promise to never abandon him. Eventually, with the support and encouragement of Jiang Yi, Zhuang Yuan, Ding Ye, and others, Huang Ying Zi bravely overcomes her inner struggles.
Jiang Yi --- Fan Cheng Cheng
Jiang Yi is a game designer. He is thoughtful, handsome, wealthy, and independent-minded. Although he has the intelligence to excel academically, he chooses to immerse himself in game development, adopting a carefree attitude. As a result, his parents send him abroad to study. Unexpectedly, Huang Ying Zi learns the truth about Jiang Yi's departure from others, leading to misunderstandings and their separation. Zhuang Yuan further complicates the situation, causing Jiang Yi and Huang Ying Zi to miss out on twelve years of potential connection.
Fang Ming Yu --- Zhu Yan Man Zi
Fang Ming Yu is a professional white-collar worker. She appears cold on the outside but is passionate, capable, efficient, and good at understanding people. In order to gain her mother's approval and protect her own image, Fang Ming Yu silently endures the bitterness and cruelty behind her white-collar job. Her strong self-esteem leads her to develop a distant and proud personality, fearing that others will see her vulnerabilities. Even when Fang Ming Yu is mentally controlled by her boyfriend, she dares not resist. Eventually, Fang Ming Yu awakens and takes the initiative to reconcile with Huang Ying Zi.
Zhuang Yuan --- Wang Qian Yue
Zhuang Yuan's affection for Huang Ying Zi is known to the whole world, but unfortunately, Huang Ying Zi remains oblivious to Zhuang Yuan's feelings. In order to be worthy of Huang Ying Zi, Zhuang Yuan has always seen Jiang Yi as a rival. However, after Zhuang Yuan enters university, his impoverished background leaves him vulnerable to exploitation. Determined to turn the tables, Zhuang Yuan starts afresh and ventures into entrepreneurship in Hong Kong, successfully overcoming adversity. However, in terms of love, Zhuang Yuan and Huang Ying Zi remain destined to be apart, while he and Fang Ming Yu go their separate ways.
Lan Yi Fei --- Fang Yue Qiao
Lan Yi Fei is a perceptive, dance-loving, thoughtful, grateful, and understanding girl. Unfortunately, she encounters unreliable parents, which exposes her to the ups and downs of life. She must endure the pain of being abandoned by her parents and deal with harassment from troublemakers. However, her naiveté leads her to be deceived by a scoundrel and tragically loses her life in a car accident.
Guan Chao --- Zhao Rui
Guan Chao, who grew up experiencing domestic violence from his father, has always yearned to attend Beijing Sports University. However, due to not meeting the height requirement, he is forced to inherit his father's trade and work at a factory in his hometown. In terms of love, Guan Chao and Lan Yi Fei share mutual affection, but they are separated by an accident that occurred when they were 18. From then on, Guan Chao willingly shoulders the responsibility of taking care of Lan Yi Fei's grandmother, but they are unable to be together for the rest of their lives.