Azusa Nigou – Asami Imai & Chiaki Takahashi
あずさ2号 – 今井麻美・たかはし智秋
This song cover is on the album: THE IDOLM@STER RADIO COLORFUL MEMORIES
The original singer is: Kariudo
This song does not belong to me and all rights reserved to Kariudo and THE IDOLM@STER