Read manhwa Today to Tomorrow / If Today is Tomorrow / Two young survivors of the infamous Hanseong apartment building collapse 18 years ago. After that event, they lead very different lives. A woman who lives in the present with the idea that there is no tomorrow, and a man who is afraid of death and has become a "hikikomori" himself. Eighteen years later, the two meet by chance, but can they make the most of the one day they have left?