Kamen Rider Saber × Ghost.

Touma and Mei find a girl who is looking for her brother. When they try to talk to her, she is attacked by Desast and runs away. Why is Desast after her? Meanwhile, as he’s looking for Kanon, Takeru Tenkuji finds survivors of Danton’s experiments and vows he won’t let them be sad like Chloe was. When he goes off to look for more survivors, he runs into Touma and Mei…