This is one of the movies announced in the August issue of Shonengahosha's Young King Ours magazine. This will be an entirely brand-new work.
Iona
Gunzou Chihaya
Kyouhei Kashihara
Iori Watanuki
Shizuka Hozumi
Yamato
Kongou
Kirishima
Haruna
Shouzou Chihaya
Musashi
Hyuuga
Nachi
Hiei