Summer Solstice.The armed group decide that the X virus has probably already been released, and leave the teams to their own devices. As Ryoya dies, he reveals to Hana that it was Arashi who inspired him to survive and help his team. When they arrive back at Team Spring’s camp, they find it destroyed and Fujiko Amacha, Mansaku Tsunomata, Chisa Taiami and Momota Nobi missing. Takahiro suggests they travel on to his former camp. Meanwhile, Arashi, Natsu and Semimaru learn how to sail the boat and find a girl who looks like Hotaru floating in the water. Her name is Hibari from the Spring Team who says that Hotaru is dying...