Thirty But Seventeen s01e18
Titre original : A True Adult
Woo Jin decides not to sell the house. He visits his father in Jeju Island and persuades him not to sell it by promising that he won’t go abroad for months ever again. He decides to open his heart more, and the people around him notices how he has changed. Meanwhile, Seo Ri and Hee Su get stuck on an island and cannot sail back home.