A man sets up the First Love Agency to help people locate their long-lost first love. But then he ends up falling in love with his first client.
Lim Soo-jung
Seo Ji-woo
Gong Yoo
Han Gi-joon
Cheon Ho-jin
Seo Dae-ryung
Jeon Soo-kyeong
Soo-kyung
Ryu Seung-su
Gi-joon's Brother-in-law
Lee Chung-ah
Ji-hye
Lee Je-hoon
Woo-hyung
Kim Min-ji
Chae-ri
