Sister's Diary (2020)
The Radar read
A quieter title still finding its audience, though the rating rests on a thin sample, so treat it as provisional.
Synopsis
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...
Synopsis and metadata sourced from The Movie Database (TMDB).
Content check
Based on the age rating and content tags — not a full scene-by-scene list.
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