Bicolor no Koigokoro

 is the 12th single by Dorothy Little Happy.

Tracklist

 * 1) Bicolor no Koigokoro (バイカラーの恋心)
 * 2) Dorothy Train (Type A)
 * 3) Amegafuru Yozora (雨が降る夜空; Night Sky Rain) (Type B)
 * 4) ASHITA TREASURE!! (Type C)
 * 5) Bicolor no Koigokoro (Instrumental)
 * 6) Dorothy Train (Instrumental) (Type A)
 * 7) Amegafuru Yozora (Instrumental) (Type B)
 * 8) ASHITA TREASURE!! (Instrumental) (Type C)

Featured Members

 * KANA
 * MARI