Check for characters missing birthday info here.
January
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Kazuto Kotetsu
-
Yuki Himezuru
February
-
Mei Amanohokosaka
March
-
Souichirou Unomaru
April
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Els Von Klagen
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Acht
May
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Hinata Himezuru
June
-
Sechs
July
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Tōya Kagari
August
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Freaks
September
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Kuon Glamred Stroheim
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Akira Kamewari
October
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Es
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Drei
November
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Marceline F. Mercury