Character renka ma13

[KI-SofTWarE (Kiken Shisou)] Kiken Shisou Sakuhinshuu 4 Soushuuhon (Queen's Blade, History's Strongest Disciple Kenichi)

[KNOCKOUT (USSO)] Ana Centimeter 4 DLver. (History's Strongest Disciple Kenichi)

(C77) [KNOCKOUT (USSO)] Ana Centimeter 4 (Shijou Saikyou no Deshi Ken'ichi / History Strongest Disciple Kenichi)

[Muchi Muchi 7 (Terada Tsugeo, Hikami Dan)] Muchi Muchi Angel Vol. 12 (Shijou Saikyou no Deshi Kenichi) [English]

(C72) [Studio Wallaby (Niiruma Kenji)] Renka to Shigure Gakuen Seikatsu (History's Strongest Disciple Kenichi)