both stories are about music and songs. Both female protagonists are talented.

both stories are about a band of boys. In both we have the death of a member of the band. The others continue to play.

both stories are about a band, about music and about composing songs. Both plays Suzuki Jin.

both stories speak of the anguish and sadness of parents when their children have an accident.

In both stories, two boys fall in love and practice athletics. In Mr. Heart it is the main story, while in You're My Sky it is a secondary couple.

Both stories are about two boys who fall in love. Also in both stories the boys play on a basketball team.

Both stories are about two boys who fall in love. Also in both stories the boys play on a basketball team.

Both are historical dramas and the story revolves around political intrigues. The friendship between the male protagonists is really strong and both are in love with the same girl.

In both stories there are:
- an important diary for the development of the plot
- a difficult school to reach

The two stories are very different, but they also have points in common: the male protagonist is torn between a love for basketball and a love for family.

In both stories, the male lead is in a wheelchair after an accident. Both stories speak of the difficulties faced by the protagonists.

In both stories, the male lead is in a wheelchair after an accident. Both stories speak of the difficulties faced by the protagonists.