The First Love That Became My Sister-in-law
Hyun-a likes Young-joon, her tutoring teacher. Young-joon also likes Hyuna, but because of the relationship between a teacher and a student, she tries to hide her heart. As time goes by, Young-joon falls in love with Hyun-a's older sister, Min-a, Visits home to greet her family. And, her younger brother Hyuna! They are confused by an unexpected reunion.
Top cast
Below are the streaming services currently carrying the movie “The First Love That Became My Sister-in-law” in Canada, along with how each offers it (subscription, buy, or rent) and a direct link. Licensing differs by market, so availability in Canada can differ from other countries.
Where to watch The First Love That Became My Sister-in-law in Canada
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Not currently available on the supported providers in Canada.
Availability can change as licenses rotate — confirm on the provider’s page before subscribing. Last checked: 13 Sept 2026.