W

W is an Idol Unit comprised of twins Yusuke Aoi and Kyosuke Aoi. The two were former pro-soccer players before joining 315 Productions.

Yusuke Aoi ➜ Other Members
"Desk Conversations" "Special ST@RTING LINE CD Lines" * He’s referring to the mnemonic phrase for memorizing the list of the first 20 elements, the one Jiro sings in Study Equal Magic.

Kyosuke Aoi ➜ Other Members
"Desk Conversations" "Special ST@RTING LINE CD Lines"

Discography

 * THE IDOLM@STER SideM ST@RTING LINE-05 W
 * THE IDOLM@STER SideM 2nd ANNIVERSARY DISC 03 Jupiter & W