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岬明乃 Main character

Voice: 夏川椎菜

宗谷ましろ Main character

Voice: Lynn

立石志摩 Main character

Voice: 古木のぞみ

西崎芽依 Main character

Voice: 種﨑敦美

納沙幸子 Main character

Voice: 黒瀬ゆうこ

知床鈴 Main character

Voice: 久保ユリカ

小笠原光 Supporting character

Voice: 澤田美晴

武田美千留 Supporting character

Voice: 菊地瞳

日置順子 Supporting character

Voice: 田中美海

松永理都子 Supporting character

Voice: 丸山有香

姫路果代子 Supporting character

Voice: 田辺留依

万里小路楓 Supporting character

Voice: 中村桜

勝田聡子 Supporting character

Voice: 彩月ちさと

山下秀子 Supporting character

Voice: 大地葉

内田まゆみ Supporting character

Voice: 宮島えみ

八木鶫 Supporting character

Voice: 山下七海

宇田慧 Supporting character

Voice: 藤田茜

野間マチコ Supporting character

Voice: 小林ゆう

柳原麻侖 Supporting character

Voice: 高森奈津美

黒木洋美 Supporting character

Voice: 相川奈都姫

若狭麗緒 Supporting character

Voice: 清水彩香

伊勢桜良 Supporting character

Voice: 福沙奈恵

駿河留奈 Supporting character

Voice: 小澤亜李

広田空 Supporting character

Voice: 金子彩花

和住媛萌 Supporting character

Voice: 新田ひより

青木百々 Supporting character

Voice: 大橋歩夕

等松美海 Supporting character

Voice: 大津愛理

伊良子美甘 Supporting character

Voice: 麻倉もも

杵崎ほまれ Supporting character

Voice: 伊藤かな恵

杵崎あかね Supporting character

Voice: 伊藤かな恵

鏑木美波 Supporting character

Voice: 阿澄佳奈

知名もえか Supporting character

Voice: 雨宮天

五十六 Supporting character

Voice: 鶴岡聡

ヴィルヘルミーナ・ブラウンシュヴァイク・インゲノール・フリーデブルク Supporting character

Voice: 五十嵐裕美

古庄薰 Supporting character

Voice: 豊口めぐみ

宗谷真雪 Supporting character

Voice: 甲斐田裕子

大賀 Supporting character

Voice: 西山宏太朗

宗谷真霜 Supporting character

Voice: 中原麻衣

宗谷真冬 Supporting character

Voice: 優希知冴

杉本珊瑚 Supporting character

Voice: 福沙奈恵

藤田優衣 Supporting character

Voice: 清水彩香

平賀 Supporting character

Voice: 野村真悠華

福内 Supporting character

Voice: 櫻庭有紗

東舞校主任 Supporting character

Voice: 祐仙勇

東舞校教頭 Supporting character

Voice: 西村太佑

岸間 Supporting character

Voice: 桑原由気

テア・クロイツェル Supporting character

Voice: 森永千才

横須賀女子海洋学校 Guest