Who said, "Since some things can't be taken away, then forget them." Maybe there are too many things in this world that are worthy of nostalgia, and there are too many things that can't be taken away, but no one has enough courage to forget everything. Even though many of these do not belong to us. However, when time disperses the crowd, it seems difficult to relive the lingering warmth of the past. So, as time goes on and life goes on, does the pain also continue?