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Diana breaks the heart-cooler, and Da Da and others are frustrated. Young Gu wakes up at the lab and comes to see Da Da. Bo Won tells Young Gu about the broken heart-cooler and feels sorry for him. Young Gu tells Da Da that they should stay apart until they find the solution to his meltdown.
First Air Date : May 15, 2019
Last Air date : Jul 11, 2019
Episode : 40 Episode
Season : 1 Season
Runtime: 30:14 minutes
Studio: SBS
Country: South Korea