Ma Dae-Chung is unemployed and hasn't dated in 9 years because his love cells/DNA are all dried up, hence his inability to date. He is tired of being single and decides it's time to start dating again. Ne Bi teaches Ma Dae-Chung about the a-z's of love. The drama will revolve around the love story of Ma Dae-Chung and Seo Rin. Adaption of a webtoon with the same title by Kim Myung-Hyun.
|Park Seon-ho||Ma Dae-choong|
|Baek Sung-hyun||Chun Ji Woon|
|Oh Gwang-rok||Seo-rin's manager|
|Im Seul-ong||Park Tae-joon|
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