IRF

 is a special unit created to collaborate with TRF for the release of the tribute album TRF Respect Idol Tribute, this unit features members from five different idol groups. The group name stands for "IDOL RAVE FACTORY".

Members

 * Shoji Mei (TOKYO GIRLS' STYLE)
 * Suzuki Yuriya (Cheeky Parade)
 * Tachibana Yurika (Idoling!!!)
 * Hibi Mikoto (Dream5)
 * Pour Lui (BiS)

Compilations

 * [2012.12.19] TRF TRIBUTE ALBUM BEST (#1 BOY MEETS GIRL, #7 IRF with DJ KOO from TRF - BOY MEETS GIRL -DJ KOO PARTY MIX-) (With TRF)