Countdown!! [ろいやるびっち (haruhisky)] カウントダウン!! (涼宮ハルヒの憂鬱)

[Monogusa (Okada Kou)] COUNTDOWN (World Trigger) [Digital]

(C33) [Takotsubo Club (Gojou Shino)] THE FINAL COUNTDOWN 0.5

(C91) [Eden no Niwa (Kanzaki Katsumi)] Countdown! 2 (Kantai Collection -KanColle-)

[Studio Proteus (Hiroyuki Utatane)] Countdown Sex Bombs 01 (English)

[Studio Proteus (Hiroyuki Utatane)] Countdown Sex Bombs 02 (English)

[Studio Proteus (Hiroyuki Utatane)] Countdown Sex Bombs 06 (English)

[Studio Proteus (Hiroyuki Utatane)] Countdown Sex Bombs 05 (English)

(Mimiket13) [Happy Birthday (Manami Tatsuya, Maruchan.)] COUNTDOWN (D.C. Da Capo, Kore ga Watashi no Goshujin-sama)

Air; Final Countdown

[Studio Proteus (Hiroyuki Utatane)] Countdown Sex Bombs 03 (English)