Just keeping this around as a checklist for the mysteries in the series. Remind of one and I'll add it in:
- What happened to Pale Noël.
- What happened to the twins.
- What happened to Maria Moonlit.
- Why Kayo Sudou is important.
- Why the Miroku family have their respective Vocaloids.
- Who in the world that Graveyard chef was.
- Who the Master of the Court is.
- Who Gear is.
- Who Waiter is.
- Who and what Irregular is.
- Who and what Punishment is.
- Sickle's real name.
- What the significance of Re birthday is.
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