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

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

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

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

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

(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]

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

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

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

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

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

(C77) [Ringo Gakuen (Mayonnaise.)] Joseiki-nai no Piston Undou ni Yoru Masatsu Taiden wo Riyou shita Hatsuden System no Rekishi | History of Piston Friction-Powered Electricity Generation System Via the Female Reproductive Organ [English] [DesuDesu]

FRICTION

Whipping whipping ☆ Memory loss of Potcha girl! -FRICTION MEMORIES-

Natural Friction X

Friction Girl - Chapter 2

Contact and Friction | Lust and Affection

(C95) [Sakomicho (qzna)] Futari Nari no Kyori-kan de (friction)

Natural Friction X2

Natural Friction X2

FRICTION

Muchimuchi ★ pocha musume no kioku soushitsu ―FRICTION MEMORIES―

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

[Aa, Warera Katou Hayabusa Sentoutai (Katou)] Muchimuchi ★ pocha musume no kioku soushitsu ―FRICTION MEMORIES― [Digital]