(SC32) [HONEY BUMP (Nakatsugawa Minoru)] Shijou Saikyou no Deshi no Shishou Shigure (History's Strongest Disciple Kenichi) [English] {doujin-moe.us}
(C86) [HONEY BUMP (Nakatsugawa Minoru)] Shijou Saikyou no Deshi no Shishou Shigure 6 (History's Strongest Disciple Kenichi)
[Arsenal (Yorimichi)] Kururu Contract! Ch.01-06
COMIC GEE vol.7
(C72) [Niku Ringo (Kakugari Kyoudai)] Nippon jyu ~shi~ Desuwa (Otogi-Jushi Akazukin, Shijou Saikyou no Deshi Kenichi [History's Strongest Disciple Kenichi])
(Kenichi Offical Fanbook) Bessatsu Kenichi
(SC32) [2B (MANA-KO, Tonami Muka)] Ryouzanpaku Onsen 2 (Shijou Saikyou no Deshi Kenichi)
(C72) [Ohkura Bekkan (Ohkura Kazuya)] Miumiu (Shijou Saikyou no Deshi Kenichi) [English] [FAKKU]
(CR34) [Ekitai No Tomosha (Mitsuki Rintarou, Shachi)] Hakudaku Damashii 3 (Shijou Saikyou no Deshi Ken'ichi)