Longing Heart

Kang Shin Woo hasn't gotten over his high school crush, even ten years after graduation. But he's given another shot at love when he travels back in time and becomes his own teacher.

As the sports festival approaches, Shin Woo does everything in his power to force his younger self into Na Hee's life.

The younger Shin Woo is prodded into confessing to Na Hee. But who does Na Hee truly like?

The older Shin Woo and Ji Soo spend an awkward night locked in the school. Will Shin Woo give in to his desires?

With all of his business wrapped up, the older Shin Woo decides it's time to head back to the future, but the only problem is how to do it.

Shin Woo awakens in the present day, but was it real or just a dream?

With the younger Shin Woo in the present day, the race to win Ji Soo's heart intensifies.

Ji Soo drunkenly mistakes Shin Woo for her teacher. Will he tell her the truth?

After learning the truth about Ji Soo's odd behavior, Shin Woo turns over a new leaf.

Will Shin Woo and Ji Soo find love in the series finale?