One Day
A high school student, Ho-jin (17 years old), is shocked when her boyfriend, Young-ho (32 years old) who is a teacher at her high school, suddenly breaks up with her. Yong-jin (17 years old ) who has a crush on Ho-jin, always stays near her and waits for her call. Chan-soo (17 years old) likes Yong-jin and tries to win his affection. Ms. Park, a gym teacher, calls on the heart-broken Ho-jin for afterschool dance practice. Ho-jin lies to Young-ho to avoid the break-up. However, Young-ho is gone without a trace afterschool, and Ho-jin finds the body of Ms. Park who has killed herself. On the way home, she sees a puddle, filled with rainbow color grease.
Below are the streaming services currently carrying the movie “One Day” in the United States, along with how each offers it (subscription, buy, or rent) and a direct link. Licensing differs by market, so availability in the United States can differ from other countries.
Where to watch One Day in United States
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Not currently available on the supported providers in United States.
Availability can change as licenses rotate — confirm on the provider’s page before subscribing. Last checked: 21 Sept 2026.