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Undercover at Chaebol High

Dakyung, who was an active member of a corporate criminal organization, belatedly learns of the death of her boss, whom she cared for like a father. Later, she discovers the culprit is Chairman Lee, so she sets out on her path for revenge. However, approaching him is no simple matter. That's when she gets a clue related to Chairman Lee's son. For the final mission with her life on the line, Dakyung will have to infiltrate a high school for society's elite. (Source: Naver, translated)