第 9 集: 隨著隊伍前進，真希揭露了她對隧道的不信任
2016年5月27日 播出
As members of the group left behind try to make sense of their situation, Masaki, Hayato, Mitsumune, and the bus driver continue toward the tunnel. Masaki finally explains why she is adamantly against going through the tunnel, but how much of what she says can be trusted? (Source: Crunchyroll)