Queen & Elizabeth is a sub-unit of the Japanese pop band AKB48 consisting of members Tomomi Itano and Tomomi Kasai. The unit is named after the fictional characters the girls portray in the Kamen Rider W television series and films. Their only single to date, "Love♡Wars", reached the top 4 of the Oricon.
As fictional characters in Kamen Rider W, Queen (Itano) and Elizabeth (Kasai) made their debut in episode 7 of the television series, acting as informants to the lead characters Shotaro Hidari (Renn Kiriyama) and Philip (Masaki Suda) whenever they are investigating crimes in a high school setting. In January 2010, it was announced that their characters would be releasing an original song for the television series titled "Love♡Wars". A music video for the song was recorded shortly afterwards.
In episode 23 of the television series, the characters of Queen and Elizabeth performed in a Pop Idol styled contest called "Fuuuuuutic Idol" for which they performed "Love♡Wars" to an audience to win a record deal. When they are eliminated from the competition in favor of a much worse musician, they approach Shotaro to investigate why they have lost, discovering that the rumored Radio Tower Clown is to blame. Soon after the case is closed, Queen and Elizabeth manage get their record deal after making another appearance on Fuuuuuutic Idol. At the same time, Kasai and Itano (in character) began hosting an Internet radio show connected with Double on the fictional Wind Wave radio station titled Queen & Elizabeth's White Heart Mark(QueenとElizabethの白抜きハートマーク！,Kuīn to Erisabesu no Shironuki Hāto Māku?).