Whenever elementary school teacher Kang Joon-soo falls in love, he always gives too much of himself to the relationship. Yet despite that, he ends up being the one getting dumped by his girlfriends. Joon-soo has been friends for 18 years with Kim Hyun-woo, a weather forecaster whose beauty belies her witty tongue and aggressive manner.
Kang Joon-soo
Kim Hyun-woo
Lee Dong-jin
Andrew Yeom
Jae-joong
Min-ah
Hee-jin
Joon-hee
Han Seong-goo
Cha Myung-sun
Principal
Joon-soo's Father
Joon-soo's Mother
HQ Chief
Hyun-woo's Mother
Director
Bald Man
Restaurant Owner
Joon-soo's Girlfriend
Joon-soo's Ex-girlfriend 1
Joon-soo's Ex-girlfriend 2
Weather Woman
Staff
Joon-hee's Boyfriend
Young Hyun-woo
Military Instructor
Young Joon-soo
Military Assistant Teacher
Baths
Staff
Joon-soo's Ex-girlfriend
