WMG / Judge

Hiro's actual sin lies inside the Time Skip.
What we saw in the first chapter wasn't the worst of it; in the two years since that event, Hiro did something far worse — something like crossing the Moral Event Horizon, perhaps. Something that would make our Designated Hero much less sympathetic if we knew the truth. The Time Skip, therefore, is meant to hide this information until The Reveal in order to make it seem like less of a Shocking Swerve.
  • Like maybe he killed Hikari.
  • Jossed on the idea that Hiro killed Hikari, as she is among the other group of sinners doing their own judging.
  • Confirmed on the fact that he did things. He spent the two years extensively researching and stalking the jury and judge of the trial of Atsuya's death, crafting the plan of the Judge game since he's one of the masterminds behind it.

This is a sequel to Doubt and Hiro is the "Wolf" for this game.
Not only does he get a rabbit mask, but in the cover page a person with a rabbit mask is next to him, wearing the same shirt the Wolves wore in Doubt.
  • Confirmed. Hiro is one of the masterminds of the entire game.

The fat guy with glasses will play a key part later on.
Why would a random character be introduced just to die on the exact same page? Why has no one come for the body? It seems to me that a fake-out is in order...Especially since in the mangaka's previous work a character we thought was dead in one of the first chapters turned out to be faking it and was the Mastermind behind the whole ordeal.
  • Of course, a good writer wouldn't use the same trick twice.

The guy with the lion's mask is Yuu all grown up.
  • Jossed.

The "Wolf" is the pig-masked guy.
In the splash-page/page image, he's facing away from everyone else and is the one who is in the most shadows. And considering how the previous work had a clue on its splash page...
  • Of course, Hiro is also facing away from us.
  • That's actually the bear guy and he was the first to go.

Kazu is the traitor.
  • Something about him is just kind of fishy to me.
    • Confirmed. Though it's not because he wants to. The mastermind behind the judging has his mother.

Hiro being the culprit
was a lategame writing decision.
  • There is a number of pieces of information that suggest to me that Hiro being one of the culprits alongside Hikari was something Tonogai only decided on close to the series ending. To wit:
    • 1. Hiro acts absolutely nothing like a culprit. He thinks about wanting to escape, purposes plans to make everyone live, reacts in horror to peoples deaths (even people he killed) and is at one point shown having a traumatic dream as if he thinks his life is in danger. None of this behaviour makes sense his he's the one killing.
    • 2. We are shown all the events in between Nobuyuki's last appearance and his dead body being found and there wouldn't be a point in between where Hiro killed him.
    • 3. There is very little Foreshadowing towards Hiro being the culprit. Indeed, the only noticeable event could easily be interpreted as being something else entirely. In fact, at the end, Rina notes that she suspected Hiro because he didn't seem to react to Asami attempting to seduce him, when he is shown reacting, almost as if the story attempted to insert a clue into a scene where it didn't originally exist.
    • 4. There is a strong Seven Deadly Sins motif to the early parts of the story that is virtually non-exsistent by the end and is almost completely irrelevant, which would suggest the story went through significant rewriting as it was running.
    • 5. Most glaringly, at the start of the series, Hiro wakes up in his room, handcuffed, reacts with shock when he sees the rabbit head in the mirror and says he was knocked out on the way back from school. If Hiro is the culprit, why is he handcuffed, why is he surprised at the rabbit head and why is referencing something that never actually happened!?
  • So yeah. In conclusion, my thoughts is that Tonogai originally planned for the culprit to be Hikari but changed it so that Hiro was the culprit as well because he either he felt it was too obvious (since Hikari would be the only person who would know Hiro committed Envy), that it was too simular to The Reveal in ''Doubt with the protagonists Love Interest being the culprit or a combination of the two. Needless to say, it would explain the plot holes the story suffers from.