Let us take a look at the current situation, and what should take place next.
Currently no additional characters are aiming for the Free section bombing. Unless that is the plan of Edoric and Aralii, I would say Cho Sun-Jin could carry on with the project.
Guster is moving to the nation border with his crew so if anyone is heading that-a-way, feel free to have them see the transport or see them at the checkpoint.
Sness is currently kind of an oddball with no place to be, but that'll change eventually.