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I Became the Bully Heir's Stepsister

재벌 선배의 여동생이 되었습니다

  • Ended
  • 2026
  • 1 episodes
  • Drama
  • In Korea on Vigloo

Where to watch I Became the Bully Heir's Stepsister in the US

I Became the Bully Heir's Stepsister isn't currently available on any subscription platform in the US.

Availability updated November 7, 2026.

I Became the Bully Heir's Stepsister plot

Go Yoon-ah, who enrolled in a noble school for only the top 1% of students. But due to her mother's remarriage, she suddenly becomes the pinnacle of the school's highest ranking, the 'Platinum', and the younger step-sister of Seung-ho, the school's champion. Yoon-ah, who was ignored because of her poverty, and Seung-ho, arrogant and cold. A precarious relationship that began between two people with different social status and locations. Where exactly will the end of this precarious relationship be?

I Became the Bully Heir's Stepsister cast

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