Knew it was Kanda since chapter 3. The first biggest hint was from chapter 1 where we saw a scared boy near a dead women (probably his mom) and than we fast forward to Oku getting admitted into the school without the memory of his crime. So before knowing the whole story behind Oku, I concluded that Oku's crime was killing his mom (especially since no one's else past was shown and he happen to just appear after the scene)
Then they started to talk about the puppy and after hearing Kanda's crime of killing his mother.
I was like "I bet the puppet is Kanda." Then when we saw the dream of "Kanda" and his mom and saw the scars on the wrist I practically yell, "so that's why Oku wears the wristband. Kanda is the puppet! Confirm!" but at the same time I was thinking, "dafuq? You scientist can remove somebody's head and the best you could do about those scar is cover them with wristbands? Would be much more interesting if Oku didn't figure things out till the puppet was expose."
SPOILER!
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Knew it was Kanda since chapter 3. The first biggest hint was from chapter 1 where we saw a scared boy near a dead women (probably his mom) and than we fast forward to Oku getting admitted into the school without the memory of his crime. So before knowing the whole story behind Oku, I concluded that Oku's crime was killing his mom (especially since no one's else past was shown and he happen to just appear after the scene)
Then they started to talk about the puppy and after hearing Kanda's crime of killing his mother.
I was like "I bet the puppet is Kanda." Then when we saw the dream of "Kanda" and his mom and saw the scars on the wrist I practically yell, "so that's why Oku wears the wristband. Kanda is the puppet! Confirm!" but at the same time I was thinking, "dafuq? You scientist can remove somebody's head and the best you could do about those scar is cover them with wristbands? Would be much more interesting if Oku didn't figure things out till the puppet was expose."