His last wish is watching Luhan laugh because of him. But, will he be able to do it since his twin, Luhan hates him very much?

Prologue

Sehun and Luhan are twin but they don't live to love each other since Luhan hates Sehun very much. Sehun was born with leukemia causing him to be under his grandparents care instead of his own parents. His grandparents willingly to take care of him since his parents was busy with their job. Sehun and Luhan grow up in two different world. Luhan started to hate Sehun when he noticed Sehun get more attention from their parents. He never look Sehun as his twin and he always hate the time when he needed to go to Ulsan to visit Sehun and his grandparents.

But, a secret that Sehun always hold in his very deep heart is he's dying. He doesn't have much time to make anybody happy because his time will come to the end very soon. But, he don't want Luhan to know his pain because he don't want anybody pity anymore. He knows he doesn't deserve to be Luhan's twin but he really wish that someday, Luhan will acknowledge him as his beloved twin.

Sehun comes to Seoul to fulfil his last wish but he really had some difficulty to even talk to Luhan. But, when his fiancee come to meet him, he noticed that Luhan fall in love with her. So, he decided that he want Luhan to be happy eventhough he will hurt his own feeling with his action. 

He deserve her more than I did.