Sister, I'm a man too.

It's about a relationship between 18-year-old Jeong Yeo-ju and 17-year-old Kim Tae-hyung. It took a long time for Tae-hyung and Yeo-ju to develop a romantic relationship. Tae-hyung, naive and cute, seemed oblivious to the power of force, but Yeo-ju showed his power to Tae-hyung, but he backfired. Time passed, and when Tae-hyung was 21 and Yeo-ju was 22, she was kidnapped. Tae-hyung rescued her, and soon after, they went on a trip. While on vacation, Yeo-ju and Tae-hyung began to consider marriag