The main posters have been released for the upcoming KBS2 romantic fantasy drama “My Girlfriend is a Tough Guy” (literal title), starring Yoon San-Ha, Arin (from Oh My Girl), and Yoo Jung-Hoo. This unique and heartwarming drama is set to premiere on July 23, 2025, taking over the Wednesday–Thursday 9:50 PM KST time slot after “The First Night With the Duke.”

Plot Summary

Park Yoon-Jae, a university student majoring in astronomy, falls in love with Kim Ji-Eun after meeting her on a blind date. They become a sweet couple. But one day, everything changes—Ji-Eun wakes up and discovers she has turned into a man!

Now using the name Kim Ji-Hoon, Ji-Eun tries to adjust to life in a male body while staying close to Yoon-Jae. Even though the situation is strange, the couple decides to stay together and wait until Ji-Eun turns back into a woman. Meanwhile, Kang Min-Joo, a popular girl on campus, has feelings for Yoon-Jae, which adds more tension and drama.

Main Cast

  • Yoon San-Ha (ASTRO) as Park Yoon-Jae

  • Arin (Oh My Girl) as Kim Ji-Eun (before transformation)

  • Yoo Jung-Hoo as Kim Ji-Hoon (after transformation)

  • Chuu as Kang Min-Joo

Air Date and Time

The new KBS2 Korean drama “My Girlfriend is a Tough Guy” will start airing on July 23, 2025. Main posters are now out! This drama stars Yoon San-Ha, Arin, and Yoo Jung-Hoo.

  • Drama Title: My Girlfriend is a Tough Guy

  • Korean Title: 내 여자친구는 상남자

  • Release Date: July 23, 2025

  • Channel: KBS2

  • Air Time: Wednesday & Thursday, 9:50 PM KST

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