(CR34) [Ekitai No Tomosha (Mitsuki Rintarou, Shachi)] Hakudaku Damashii 3 (Shijou Saikyou no Deshi Ken'ichi)
[IZU Ya] Muchipuri Doujou 3 (Shijou Saikyou no Deshi Ken'ichi)
(C72) [Niku Ringo (Kakugari Kyoudai)] Nippon jyu ~shi~ Desuwa (Otogi-Jushi Akazukin, Shijou Saikyou no Deshi Kenichi [History's Strongest Disciple Kenichi]) [English] [Colorized]
(SC32) [2B (MANA-KO, Tonami Muka)] Ryouzanpaku Onsen 2 (Shijou Saikyou no Deshi Kenichi)
[Arsenal] I, My, Me, Mine
COMIC GEE vol.7
(C86) [HONEY BUMP (Nakatsugawa Minoru)] Shijou Saikyou no Deshi no Shishou Shigure 6 (History's Strongest Disciple Kenichi)
(SC33) [Light Pink (Kayama Harumizu)] Shigure no Arubaito (Shijou Saikyou no Deshi Kenichi) [English] [One Of A Kind Productions]
(Kenichi Offical Fanbook) Bessatsu Kenichi
[Muchi Muchi 7 (Terada Tsugeo, Hikami Dan)] MuchiMuchi Angel Vol. 12 (Shijou Saikyou no Deshi Kenichi) [Chinese]