Characters:

Han Soo Yul (20) - A very generous girl who always make people smile even through their 

                          toughest times, but when she's alone she is always weak because she is

                          also diagnosed with cancer.

Shim Changmin (20) - A cold person to people but a kind-hearted person to kids.He never

                               shows his weak side, only to a very special girl which he calls he's

                               best friend but he doesn't know she is diagnosed with cancer.

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  This follows a story between two best friends who are very different to each other,

  Su Yul is very generous while Changmin is very cold to people, they've been friends for years

  and since those years they've started to have feelings for each other. Will their relationship turn

  to a happy ending or a dramatic tragedy?