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 hes looking for Kanon Takeru Tenkuji finds survivors of Dantons experiments and vows he wont let them be sad like Chloe was When he goes off to look for more survivors he runs into Touma and Mei