Watch Koshimizu Sachiko wa Jikaku ga Tarinai!! 2 (C91) [日本ワルワル同盟 (有馬啓太郎)] 輿水幸子は自覚が足りない!!2 (アイドルマスターシンデレラガールズ)

(C86) [Touyoko Surfrider (Fummy)] Koshimizu Sachiko no Soushuuhen (THE IDOLM@STER CINDERELLA GIRLS)

(C93) [Ame Ramune (Amecha)] Ie ni Kaeru to Koshimizu Sachiko ga Matteiru (THE IDOLM@STER CINDERELLA GIRLS)

(C83) [Endless Requiem (yasha)] Mobam@s Do-M Hoihoi ~Koshimizu Sachiko hen~ (THE IDOLM@STER CINDERELLA GIRLS)

[Endless Requiem (yasha)] Mobam@s Do-M Hoihoi ~Koshimizu Sachiko Hen~ (THE IDOLM@STER CINDERELLA GIRLS) [Digital]

[Endless Requiem (yasha)] Mobam@s Do-M Hoihoi 3 ~Koshimizu Sachiko & Sasaki Chie Hen~ (THE IDOLM@STER CINDERELLA GIRLS) [Digital]

[Happouvijin (yumoteliuce)] Koshimizu Sachiko no Himitsu Tokkun (THE IDOLM@STER CINDERELLA GIRLS) [Digital]

Koshimizu Sachiko wa Kawaiku Midareru

(Cinderella Stage 3step) [Seisyun Neurose (Kazuhiko)] Koshimizu Sachiko to LoveLove H (THE IDOLM@STER CINDERELLA GIRLS)

(C89) [Touyoko Surfrider (Fummy)] Koshimizu Sachiko no Soushuuhen 2 (THE IDOLM@STER CINDERELLA GIRLS)

(Utahimeteien 1) [Toriniku Seikatsu (Emu/nyagakiya)] "Shasei Kanri Idol" Koshimizu Sachiko (THE iDOLM@STER)