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.

In both dramas, the two female protagonists are disabled and in a wheelchair. Both protagonists meet a young man who falls in love with her.

In both dramas, the two female protagonists are disabled and in a wheelchair. Both protagonists meet a young man who falls in love with her.

In both dramas, the protagonists begin their relationship as sex friends. In Rinko-sa wa shite mitai, the female protagonist proposes a pact to the male protagonist so that he can forget his first love.
Also in Dramatic Night there is a pact between the protagonists: they will meet 10 times to forget their respective exes.