Protagonist who travels back to 1998 after her boyfriend's death. She inhabits the body of high school student Chen Yun-ru and attempts to rewrite her friend's tragic fate while uncovering the truth behind a mysterious traffic accident.
The opening news report identifies this character as the chief executive of Sheng-Tang Developer, who repeats a desperate plea after receiving a mysterious phone call and leaves in tears.
A central protagonist whose identity becomes entangled with Chen Yunru through time travel and parallel timelines. Huang Yuxuan loves Li Ziwei, repeatedly tries to prevent his death, and investigates the cassette’s effects with Mo Junjie and Wang Quansheng. Her connection with Chen Yunru ultimately helps resolve the tragic time loop.
Hsu Ai-Ting is the female passenger in the mountain-road crash witnessed by journalist Hsiao-chi nine years before the main search for the truth. She falls into a coma after the accident, which becomes a central unresolved part of the case that Hsiao-chi later investigates.
A brothel worker who provides emotional solace to Mosquito, forming a tender romantic connection that contrasts with the brutal gang world.
Xiao Jing is found adrift by the fishing vessel’s crew after a shipwreck. Connected to CE Kong, she tells the crew she can lead them to an island and a fortune, prompting Ding’s faction to follow her while secretly preparing to seize control of the ship. Her arrival helps drive the crew’s conflict and mistrust.
Miao Miao is a shy Japanese exchange student staying in Taiwan for one semester. She becomes Xiao Ai's close friend while coping with language difficulties, loneliness, and family distance. She is drawn to Chen Fei, but after misunderstanding his feelings and rejecting Xiao Ai's confession at first, she is left heartbroken and gradually confronts disappointment and letting go.
A teacher at Zheng Yang High School who treats Xing Zhiyuan kindly and becomes a trusted confidante. She shares private conversations and growing affection with him, while disagreeing with him about whether to move forward without looking back. Their conversations help each understand the other's choices as Xing considers leaving Hualien.
Alice Ko has 28 screen credits in a career dating back to 2000. Signature works include Copycat Killer, Someday or One Day, Someday or One Day. Explore the interactive character relationship maps on each title page to trace how their roles connect across franchises.