I loved this drama, it's one of my favorites and I haven't watched another one has good as this one.
I adored the story, It was so well written that it blown my mind. The concept of death and ghosts was amazing and it was well explained.
The cast was amazing, and the acting was brilliant (I cried in pretty much every episode T_T), and one of my favorites characters ever will always be the Scheduler (Jung Il Woo did an amazing job, I cried and laugh with this amazing character). Lee Yo Won also did an amazing job, i just adored how her character evolved.
The romance was also very sweet, i liked how there were a few couples and how they were connected.
The ending made me cry a lot, and the all sister stuff was a bit "wtf?", but overall it was an amazing dramas that i recommend to everyone who hasn't seen it yet.

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