These are themes have become normalized in popular series now. If this story continued and there was regret, romance, and a happy ending, I really doubt it would be this low of rating. ( ̄∇ ̄")
I'm a mess over the grandma. Her childhood memories, personal belongings and Kim Dan cherishing those things just as much as she does, despite his own suffering.
Kim Dan went from trembling while eating breakfast to holding grocery bags for two months.
I don't mind this cliffhanger. ヾ(❀╹◡╹)ノ~