Oh Sehun is dying, but he is too selfish to tell the girl that she love so much, Hwang Sera about it and decided to spent his life time with her before he end his life. The flower that was just bloomed, he plucked and it died. That flower kind of resemble him; died when it was about its time to shine. He wished he could spend his days with her for enternal, but Time was not letting him to fulfil his wish.  He wish he could