2D Comic Magazine Shikyuu Knock de Portio Zecchou! Vol. 1
[Senbon Knock Zadankai] Asunancho (Mahou Sensei Negima!) ENG
Knockin' on Heaven's Door
Nagi☆Tomo
[Anthology] 2D Comic Magazine Mesugaki Succubus Seisai Namaiki Aka-chan Heya o Wakarase-bou de Kousei Knock Vol. 2 [Chinese] [Digital]
[KaiOppai] The Knock-Up [English]
(COMIC1☆7) [Gerupin (Minazuki Juuzou)] Kakuchou Senkan Yamato | Expanding Battleship Yamato (Space Battleship Yamato 2199) [English] [doujin-moe.us]
Double Knockout
Manmosu Marimo - Chopper get knocked up
(C60) [Gelpin Tinta Ponta, Knockout (various)] GOKUBUTO (various) [Digital]
KNOCK OUT!!
[Senbon Knock Zadankai] Asunancho (Mahou Sensei Negima!)
(COMIC1☆7) [Gerupin, KNOCKOUT (Minazuki Juuzou, USSO, Nikusyo)] Kakuchou Senkan Yamato (Space Battleship Yamato 2199)