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(C91) [Asterism (Asterisk)] FRICTION (The IDOLM@STER MILLION LIVE!)

(C63) [JUMBOMAX (Ishihara Souka)] Natural Friction X (Dead or Alive) [English]

(C62) [JUMBOMAX (Ishihara Souka)] Natural Friction (Dead or Alive)

[Inoue Makito] Motto! Friction Girl! (COMIC Megastore 2010-01) [English] [FUKE]

(C91) [Asterism (Asterisk)] FRICTION (The IDOLM@STER MILLION LIVE!) [Chinese] [準備要把靜香2.0突四而戒抽的阿上個人漢化]

(C64) [JUMBOMAX (Ishihara Souka)] Natural Friction X2 (Dead or Alive)

[Katou] Muchimuchi Pocha Musume no Kioku Soushitsu!? -FRICTION MEMORIES-

[Inoue Makito] Friction Girl! (COMIC Megastore 2009-12) [English] [FUKE]

(C78) [Gasayabu (Fuyube Rion)] FRICTION (THE IDOLM@STER)

[Cuvie] Contact and Friction | Lust and Affection [English] [Life4Kaoru]