[ How to explain this without outing Jyuto or sending Samatoki on a murderous rampage... Riou has to think for a moment before he explains. He looks down for a moment as he tries to figure it out, then looks up at Samatoki. ]

I have come across top secret information about this person that makes his existence unforgivable. However, the person who was affected by his actions does not know that I know. I hope that he chooses to trust us with this information someday, but in the meantime I cannot share it.