There is such a ruler in the world. It cannot measure things in the longer and longer term. It can only measure life that is getting closer and closer to the end as time goes by.
This foot is called time.
This ruler, only Li Hyukjae and Li Donghai know, is a ruler that belongs exclusively to them.
At that moment, Lee Hyuk Jae just hoped that the ruler could stop at the most beautiful moment and never stop.
Conception: