A broken heart can't be mended just by a needle and thread. A lost memory can't be found by just looking. A incident that can't be fixed by tools.   If two broken-hearted man meet each other... Would they remember their face, voice, and what they did to one

The lucky man will never be known. Why is there a lucky man? Is there a reason? Eunhyuk goes on a journey with Donghae that he will never forget, even though it is only in high school. Donghae finds his dream girl, but does he like Eunhyuk more? Will there be tearing and crashing sounds, or will there be peaceful and romantic times?