TV-Series
Description
Cui Yifei is a character from the Muv-Luv Alternative: Total Eclipse story, serving as a supporting figure within the narrative. She holds the rank of Lieutenant in the Unified Front of China and is the leader of the Bao-Feng Test Flight, a unit dedicated to testing new Tactical Surface Fighter technologies. Her background is notable for her connection to Taiwan, and she personally relates to the experience of a mixed heritage, commenting that she also has two motherlands, which forms a basis for her initial empathy towards the protagonist, Yuuya Bridges.

In terms of personality, Cui Yifei is aggressive, confident, and highly competitive. She is a straightforward individual who prefers to face challenges directly rather than through indirect means. This assertiveness is particularly evident in her interactions with Yuuya, towards whom she is very forward, often introducing herself as his self-proclaimed wife and acting in a seductive manner. This behavior stands in stark contrast to other female characters and is driven by a mix of pity for what she perceives as his suffering due to his dual heritage and a genuine attraction. Beneath her competitive exterior, she is known to be energetic and mischievous, and her subordinates respectfully refer to her as "Big Sis".

Her primary motivation is a deep-seated desire to win. She strongly views the rival Argos and Idar test flights as her main competition, and her actions are consistently driven by a need to prove the superiority of her unit and herself. Within the story, her role is that of a rival pilot, most prominently during the Blue Flag exercises at Yukon Base. She leads her Bao-Feng Flight in direct competition against Yuuya Bridges and his Argos Flight, providing a consistent challenge and a contrasting perspective on piloting and international relations.

Cui Yifei develops key relationships primarily through this rivalry. Her dynamic with Yuuya Bridges is central, marked by her aggressive flirting and her competitive drive to best him in combat. She also shares professional bonds with her flightmates in the Bao-Feng Test Flight, whom she leads with a straightforward and respected demeanor. Her development is shown through her performance in combat exercises. Initially, she is a formidable opponent, demonstrating her skill in close-quarters combat. However, she experiences a significant loss to Yuuya, who exploits the differences in their techniques to win a one-on-one match. She later faces another defeat against the technologically superior F-22A Raptor units.

Cui Yifei's notable abilities lie in her Tactical Surface Fighter piloting, with a marked preference for aggressive, close-quarters combat. She specializes in using a long-handled blade, specifically the Chinese-designed Type-77 Close Range Battle Halberd, which she wields with her J-10X TSF. Her technique includes the Combined Tension method, which vastly increases the force of her strikes. During the Yukon Base Incident, she was forced to pilot an F-15E Strike Eagle, demonstrating her adaptability by using it in close-range unarmed combat. Despite her skills, her J-10X is ultimately outmatched by more advanced machines. She survives the violent Yukon Base Incident, suffering an injury to her right arm, and is later recalled to the Unified Front of China, where she continues to pilot her J-10X.
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