Bicolor no Koigokoro

 is the 12th single by Dorothy Little Happy.

Single Information

 * Lyrics: Iwasato Yuho (track 1), Nagai Mariko (Type A track 2), Shirato Kana (Type B track 2), Yoshimizu Takayuki (Type C track 2)
 * Composition: Tanaka Shunsuke (track 1), Oyama Yui (Type A track 2), Taketomo Atsuki (Type B track 2), PORTA (Type C track 2)
 * Arrangement: Nishioka Kazuya (track 1), Ishii Norikazu (Type A track 2, Type B track 2), Miyake Hideaki (Type C track 2)

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