Both films are about the love story between two high school students. Both films address the topic of sexual harassment within an educational institution. In both films there is a sport.

both female protagonists find themselves acting as housekeepers in the house of an idol group!

In both the film and the drama the main protagonists are high school students. One of the two always sleeps in class. At first they hate each other, but then they get closer and end up living in the same class.

Both talk about the Great Tohoku Earthquake that hit Japan

The story is about two brothers, one of whom is autistic.

Both dramas are set in a high school. The roof of the school plays a fundamental role. So many mysteries to understand.

Both dramas are set in a high school and behind the death of a student there are many mysteries to solve.

The two dramas have many points in common: both are about the relationship between a male student and a female teacher. Their story is troubled due to social pressure.

The two dramas have many points in common such as the initial incipit, some parts of the plot, the characters. Both are about the relationship between a male student and a female teacher.

In both dramas the protagonists are elderly people who begin to have memory problems.

Both feature actor Wang Yibo as the male protagonist and both are about dancing.

The stories are similar and the characters are similar too. In OUT we don't have time travel, but in both they talk about gangs.