There are three main characters in this drama namely Hizaki Yuko (Matsuyuki Yasuko), Sudo Shunsuke (Ito Atsushi) and Mamihara Koki (Endo Kenichi) where they have a bunch of other characters linked to them to form the underlying "family" stories which run parallel with the investigation of the serial family suicides or rather murders as Mamihara believes them to be. The three of them are also interwined due to the cases with Hizaki being assumed to be the killer by Mamihara based on his past interaction and impression of her, Hizaki and Sudo knowing each other due to a misunderstanding and later becoming soulmates as well as Sudo trying to convince Mamihara that his thinking about Hizaki is wrong.
Despite the highly engaging final two episodes, this drama suffered from a draggy beginning when it took a lot of time to lay down the relationships between the characters. It got to the point that I was ready to give up by episode 3 because there was so little progress made in the main storyline. Moreover, it got really miserable and painful especially to see Hizaki suffering so much emotional stress from her work and family problems that I couldn't bear to go on further. Things picked up a little bit after that especially with some minor twists along the way created through sudden stoppages of critical scenes but the progression after it sort of defied the usual conventions. In a way, that was an ingenious way of making the story less predictable and yet believable as the story would go back to the earlier scene to explain what happened after that. All I can say is, patience is of the essence here. You've got to sit through a lot of the foundation material before you get to the climax so this is definitely not going to be a high-speed rollercoaster ride from the start.
Story: 7.5 out of 10 (It takes a lot of patience to get through the first half of the drama which is rather emotionally heavy too. The last two episodes were quite good so it made up for the long wait for things to heat up.)
Acting: 8.5 out of 10 (Great acting from the three main characters especially Matsuyuki Yasuko)
Theme song/BGM: 7 out of 10 (The theme song did not leave much of an impression on me but I'm giving higher marks in this category for the insert song i.e. "I Love You" by Ozaki Yutaka which was hauntingly beautiful and matched the mood of the drama at certain important junctures of the story)
Visual effects / Scenery: 6 out 10 (Some of the visual effects e.g. slow-motion shots and detail to attention for the graphics was a pleasure to look at but the scenery aspect was slightly lacking.)
Teamwork / Chemistry: 7 out of 10 (Much as I don't really think that Matsuyuki and Ito matched each other in terms of appearance, I like the chemistry between their characters)
Total: 36 out of 50