Li Si

Biodata

Background

Li Si is one of Limited Idol's two rap mentors, introduced alongside vocal mentor Zhao Yi, dance mentor Qian Er, rap mentor Sun San, and idol initiator Qin Wei 6.

She is described as an award-winning rapper who became a leading female rapper in the country after winning several major overseas awards 9.

Personality

Li Si is blunt, demanding, and highly confrontational in her evaluations. She prioritizes demonstrated technical competence over potential, arguing that retaining a weaker contestant can deny opportunities to trainees who are currently more capable 9.

Her judgments of Si Di become increasingly personal. After voting to eliminate him in the initial evaluation, she continues to oppose his advancement and publicly attacks his weaknesses, leading trainees and viewers to question her professionalism and impartiality 9 24 45 47.

Abilities & Skills

Rap

Li Si is an accomplished professional rapper with major awards and extensive technical knowledge of the field 9.

• Performs rapid-fire rap with precise rhythm and delivery 46.
• Teaches that rap depends on identifying and stressing beats, maintaining rhythm and rhyme, and adding individual style 46.
• Evaluates contestants' rap ability by their actual performance rather than projected potential 9 10.

Contestant Evaluation

As a mentor, Li Si advocates strict competitive standards.

• Opposed keeping Si Di after his initial stage because she considered his performance the least technical among the trainees 9.
• Voted to eliminate Si Di; her vote was overturned when Qin Wei voted to keep him 9 10.
• Challenged whether Si Di had earned the right to replace Huo Xiao in Class A, citing Huo Xiao's greater experience and stage control 24.
• Later identified Si Di's lack of rap training during the “Fox” vocal-part evaluation 45.

Story Role

Initial Evaluation

Li Si first opposes Si Di during the initial stage evaluation. While Qian Er cites Si Di's dance potential and Zhao Yi praises his vocal tone and pitch, Li Si argues that potential should not outweigh his weak current performance 9.

She formally votes to eliminate him and presses the other mentors for a decision. Qin Wei ultimately asks Si Di whether he wants to remain, then casts the deciding vote to keep him 10.

Theme-Song Evaluation

After Si Di rapidly improves through intensive practice, Li Si remains skeptical of his ability to enter Class A. She argues that Huo Xiao is more seasoned and better suited to the rank, then humiliates Si Di after he loses their challenge 24 25.

“Fox” Group Battle Preparation

Li Si targets Si Di again when he admits he has never learned rap and cannot perform the final rap line of “Fox.” She mocks him for supposedly presenting himself as an all-rounder and later gives him a difficult freestyle exercise during a livestreamed guidance session 45 46.

Her treatment of Si Di visibly upsets him and triggers public backlash. Huo Xiao and Ji Yan defend Si Di, while Qin Wei becomes concerned after seeing footage of Si Di leaving the room distressed 45 47.

Relationships

• Si Di — A contestant Li Si repeatedly judges harshly. She votes to eliminate him, challenges his Class A qualifications, and publicly targets his lack of rap experience 9 24 45.
• Qian Er — Fellow mentor and Si Di’s strongest mentor-side supporter. Their conflicting views on talent versus present skill lead to repeated public arguments 9 24.
• Qin Wei — Fellow mentor whose presumed hostility toward Si Di leads Li Si to expect his support for her elimination vote; he instead votes to keep Si Di 10.
• Zhao Yi — Fellow mentor who attempts to mediate Li Si and Qian Er’s initial dispute and later joins her in guiding the “Fox” groups 9 44.
• Huo Xiao — Contestant who publicly rebukes Li Si for mocking Si Di, arguing that having weaknesses in an untrained field is normal 45.
• Ji Yan — Contestant who defends Si Di during Li Si’s criticism, stating that Si Di’s acting background did not include formal rap training 45.

Trivia

• Li Si’s name is part of the “Zhao, Qian, Sun, Li” naming sequence shared by the four mentors Zhao Yi, Qian Er, Sun San, and Li Si 6.
• Her initial vote to eliminate Si Di directly contributes to the mentor deadlock that leaves Qin Wei with the deciding vote 10.