Ga-eun and Su-ho grew up like brothers and sisters. However, Su-ho never showed that he likes Ga-eun ever since they were young. One day, Suho accidentally found Ga-eun's diary and found out that she also likes him. Su-ho reveals his feelings to Ga-eun. Ga-eun is not his real sibling, but to protect their parents, she rejects him...
Sister's Diary (2020) is a romance movie in South Korea. It was directed by Kim Tae-soo. On screen you will see Lee Sul-ah, Kim Ji-ah, Park Do-jin and Gil Dong. With a runtime of 1h 17m, the film averages 6.2/10 across 4 TMDB ratings.
To watch Sister's Diary online free in HD, press Watch Now above and pick any server; the movie plays instantly on MyFlixer with no account needed. If you like romance movies, Japanese Mom, Brigadoon and The Matchmaker's Playbook are worth adding to your list.