“Our First: Seventeen” Korean Web Drama (2021) | Cast | Synopsis | Preview & More

Overview: “Our First: Seventeen” is a Red Door Studio original Korean web drama that released on 7 July 2021. It depicts the stories of youth. Our first: Seventeen stars Choi Ji Su, Jeong Soo Hyun and more in the main cast. Our first: Seventeen is available to watch online on YouTube.

Our first: seventeen 2021 web series poster

Table of Contents


“Our First: Seventeen” kdrama tells the story of teenagers and YouTube club friends who grow and find their dreams together. With a bit of teen romance, the web drama will tell a pure and clean story of teenagers.


Youth, Romance, Web Drama

Main Cast & Characters

  • Choi Ji Su as On Yoo
  • Jeong Soo Hyun as Yi Sak
  • Kwon Tae Eun as Ye Chan
  • Park Chae Rin as Cheon So Mang
  • Nam Hye Ri as Ha Eun


Korean web drama “Our First: Seventeen” will have a total of 10 episodes.

Air Time & Schedule

Every Wednesday & Saturday at 7 p.m. KST.

Still Cuts


Notes & Facts

  1. Choi Ji Su earlier starred in Korean web drama “Reply: The Moment When It Starts Again” (2021).
  2. Jeong Soo Hyun earlier starred in Korean web drama “22 Flower Bed” (2019).
  3. “Our first: Seventeen” is Kwon Tae Eun’s first acting project. He is a contestant at the “Produce X 101” Korean TV show.
  4. Park Chae Rin earlier starred in Korean web drama “YouTuber Class” (2020).
  5. “Our First: Seventeen” is Nam Hye Ri’s first acting project.

Where To Watch

Red Door Studio YouTube Channel

OST List


Trailers & Clips

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