-Both of them are bl's
-Both deal with grief
-Both center around music
-Jazz for Two is Korean
-Given is Japanese

Because of circumstances out of their control, the main leads of both movies find time slipping away from them.

Both deal with time manipulation in different ways.
Will you be there?" Shows how by changing your past, your entire future can be effected, as "Vanishing Time" shows how time can steal everything away.
These movies have completely different stories, but both are getting the same message across. How time is unpredictable and limited.

Both have themes of time travel and time manipulation.
Both have the past directly effect the future.
Both deal with love lost.

Both have time travel elements. Changing the past to save an important person.
Both have strong themes of friendship and love.
Both deal with illnesses.

Both have unconditional love of a parent.
Both movies play with time, and what can be effected.
Both approach death in interesting ways.

Both deal with time manipulation, but in different ways.
Both can be seen as tragedies' with open-ended endings.
Both deal with unconditional love.
Both are movies.

Both deal with time manipulation.

Love You Forever is more romantic.

Both have sad themes revolving around time running out.