The popularity of Park Bo-gum's portrayal of Gwan-sik started a viral challenge on social media called "My Own Gwan-sik" where fans post about their partners, husbands, and fathers behaving like the character.
A domestic and international hit, the series received praise for its performances, screenplay, and direction. It has been favorably compared to the acclaimed period drama Eung-dab-ha-ra 1988 (2015), also starring Park Bo-gum, for eliciting nostalgia and warmth rooted in the Korean experience.
When Life Gives You Tangerines marks IU and Park Bo-gum's return to television after six and five years respectively. It is also Park's first drama after his discharge from mandatory military service.
Lead actors IU and Park Bo-gum, both born in 1993, are same-age friends who first worked together on a commercial in their teenage years. They met again in their 20s when Park had a cameo in IU's drama "The Producers", and was brought together once more in their 30s for this series.
IU and Park Bo-gum share their birth dates with their characters per Im Sang-chun's screenplay. Ae-sun was born on May 16 like IU, and Gwan-sik was born on June 16 like Park Bo-gum.