Khoảnh Khắc Đầu Tiên, Because Its The First Time (2015)

Yoon Tae Oh, a 20-year-old freshman, is known for his carefree personality. His childhood friend, Han Song Yi, is a passionate and energetic girl. However, unexpectedly, Tae Oh starts developing feelings for Song Yi. Meanwhile, another friend of Tae Oh, Seo Ji Ahn, a kind-hearted guy, also has feelings for Song Yi. Now, a love triangle between the three of them emerges.

Tae Oh, a carefree 20-year-old freshman, has always been known for his laid-back nature. His childhood friend, Song Yi, is a vibrant and enthusiastic girl. But suddenly, Tae Oh finds himself developing feelings for Song Yi. Meanwhile, Ji Ahn, another friend of Tae Oh, is a kind-hearted guy who also has feelings for Song Yi. And now, a love triangle between the three of them unfolds.