In a world where Hybrids aren't appreciated much, Suho wants to make a change. That's what he thinks when he comes back from the States and faces how conservative Korea is still when it comes to Hybrid. Asking an attractive Hybrid to help him starting the change, Suho never expects that this start is also a new beginning of something else. A new beginning of time-limited story.

Stepping into time-limited happiness is really a hard choice. But with Junhui, Hansol think that he may able to manage it.