Check for characters missing birthday info here.
January
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You Tomoe
-
You Tomoe (young)
-
Shinya Koguma
February
-
Tsubasa Amaha
-
Takuya Nashimoto
-
Yahiko Shiratori
March
-
Kanata Nanami
April
-
Koharu Hoshizuki
-
Kazuki Shiranui
May
-
Homare Kanakubo
June
-
Iku Mizushima
-
Yui Mizushima
July
-
Suzuya Tohzuki
August
-
Naoshi Haruki
-
Morio Tachibana
September
-
Shuugo Kouji
-
Hayato Aozora
-
Takafumi Inukai
October
-
Kotarou Hoshizuki
-
Oushirou Shirogane
November
-
Ryunosuke Miyaji
-
Makoto Kakino
December
-
Shiki Kagurazaka
-
Azusa Kinose