Overview

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...

Cast

Lee Sul-ah, Kim Ji-ah, Park Do-jin, Gil Dong

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Frequently asked

What is "Sister's Diary" about?

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...

When was "Sister's Diary" released?

Sister's Diary was released in 2020.

Who stars in "Sister's Diary"?

The cast includes Lee Sul-ah, Kim Ji-ah, Park Do-jin, Gil Dong.