Valkyrie Drive: Mermaid (2015)

Cast: Yuka Iguchi, Mikako Izawa, Yuna Yoshino, Asami Seto, Azumi Asakura, Masumi Tazawa, Yurika Kubo, Hitomi Harada, Saori Onishi, Kikuko Inoue

Tokonome Mamori is transferred to Mermaid - an artificial quarantine island for people with superpowers. When Mamori is attacked, a newly transferred girl named Mirei saves her. The enemy doesn't stop…