(SC33) [Light Pink (Kayama Harumizu)] Shigure no Arubaito (Shijou Saikyou no Deshi Kenichi) [English] [One Of A Kind Productions]
(C71) [HONEY BUMP (Nakatsugawa Minoru)] Shijou Saikyou no Deshi no Shishou Shigure 2 (Shijou Saikyou no Deshi Kenichi [History's Strongest Disciple Kenichi])
(CR37) [Piggstar (Nagoya Shachihachi)] Shijou Saikyou no Deshi Kenzan (History's Strongest Disciple Kenichi)
[RAT TAIL (Irie Yamazaki)] TAIL-MAN MIU FUURINNZI BOOK (History's Strongest Disciple Kenichi) [Digital]
[Muchi Muchi 7 (Terada Tsugeo, Hikami Dan)] MuchiMuchi Angel Vol. 12 (Shijou Saikyou no Deshi Kenichi) [Chinese]