note's '#3-line diary' has 210,000 posts. Why it works for kids who can't write descriptive answers

I saw the tag '#3-line diary' on note. When I counted, there were over 210,000 posts. It's a tag for writing just three lines ...

[Middle School Entrance Exam] Steps to overcome 'I can't write descriptive answers in Japanese' and a framework for thinking.

"When it comes to descriptive questions, I end up submitting the answer sheet completely blank..." "Even if I write something ...