Check for characters missing birthday info here.
January
-
Hajime Mutsuki
February
-
Koi Kisaragi
March
-
Haru Yayoi
April
-
Arata Uzuki
May
-
Aoi Satsuki
June
-
Rui Minazuki
July
-
Kai Fuzuki
August
-
You Hazuki
-
Dai Kurotsuki
September
-
Yoru Nagatsuki
October
-
Iku Kannazuki
November
-
Shun Shimotsuki
December
-
Kanade Tsukishiro
-
Kakeru Shiwasu