She made it sound as though she had a plan, so I don't want to interfere. But. . . putting aside personal feelings, if she is the last one left. . . we cannot risk her being executed while we still don't understand the marquee message.

[. . .]

Beauregard saw what we are pretty sure was Otome's murder. I think she managed to cover them in paint. They are also someone who is able to summon a weapon.