12 Signs of Love[1] (Korean: 일년에 열두남자; Hanja: 一年에 열두男子; RR: Illyeone Yeoldunamja; lit.

Twelve Men in a Year) is a 2012 South Korean television series starring Yoon Jin-seo and On Joo-wan.

It aired on tvN from February 15 to April 5, 2012, on Wednesdays and Thursdays at 23:00 (KST) for 16 episodes.

[2] The romantic comedy series is based on the 2005 German novel Zwölf Männer hat das Jahr by Martina Paura.

[3]