plot = 9
writing/development = 5
directing = 10
mystery/killer = 1

the theme of this drama was great, the the 2 (or more) parallel worlds and the butterfly effects that ensue from the smallest of interactions, each choice and the aftermath and the way the worlds were different were really clever.
the acting from the 2 mains was amazing, I'm not a big fan of Yoon Shi Yoon's previous projects but I could see the great improvement and he finally broke away from his type castings.
I've been a fan of Kyung Soo Jin for a while and I'm glad she finally got a main main for well made drama.
the "killer vibes" were way too obvious and their "revelation" was too shallow and uninteresting.

at some points I thought this drama should've been longer, the "romance" and chemistry between brown DW and blue SK made 0 sense, well maybe it made 1% sense in the form that "I'll love and protect every you ever existed" and in some ways the miserable life blue SK lived through made brown DW have a bigger sense of "prince complex, ie I need to save you"
I wish he didn't have romantic feelings for brown SK, or I wish they gave us more eps so brown DW and Blue SK actually bonded beyond "I loved you in another world"

and in some ways with the last ep, that was blue SK finding brown DW, so like why didn't he look/find the "white" SK? what made blue SK special? since white DW was a "higher up -can't think of a title ;p" would white SK also be "happy" and well established and independent for brown DW to feel useless around?

so in some ways both brown DW and blue SK were the most miserable forms of themselves and they found "comfort" in each other but what about brown SK? was she nothing? so basically the whole doppelganger love was a fail.


now for the killer vibes it took too long for them to be literally the 1st person one suspects but that ending ep where the mom went through 4 worlds and had to suffer through loosing her son, plus killing her own counterparts was actually really clever I wish they focused more on that.

basically this is one of those "got a 12ep deal because they didn't know how to plan out their plot"..
the directing was beautiful, clever and really well done. and the ost was nice but I feel like they only had 1 song that was overused, and I never rewatch stuff ;D