Vanishing Time: A Boy Who Returned, has similar aspects to The King: Eternal Monarch, these aspects are:
-At a certain point the ML is stuck inside a world where time is frozen, and in both stories the MLs are the only ones who still go through time.
-in both stories, the ML is going through this time, in hopes of seeing the FL again.
-At a certain point the ML is stuck inside a world where time is frozen, and in both stories the MLs are the only ones who still go through time.
-in both stories, the ML is going through this time, in hopes of seeing the FL again.