(CR27) [Hanamaru Mugen Gym (Hyoujun Mai)] Kodaishu no Musume (Final Fantasy VII)
(SPARK12) [Crazy9 (Ichitaka)] Guda Casgill & Rashuoji Kodai Yome Talk (Fate/Grand Order)
[Null (Nyanpyoun)] Shin Heiki ONAHO Striker (Strike Witches)
[Takatsu] Court no Naka de wa Heiki nano? (Mamma Mia!) [English] [BSN]
[Sumisuzu] Miira na Imouto to Ecchi na Kodai no Omocha (COMIC Unreal 2016-12 Vol. 64) [Chinese] [無邪気漢化組]
Hitori de Heiki | Estoy bien por mi cuenta
(Hekigai Chousa Haku) [Crazy9 (Ichitaka)] Saishuu Heiki 180cm-kyuu Heichou (Shingeki no Kyojin)
[Old Weapon (Kodai Heiki)] Tomo (Senran Kagura)
Saikyou Hikikomori Onzoushi no Torokeru Konkatsu Harem
Lolicon Heiki "Kanmi no Ejiki"
(C78) [Dark RoseEX-S (Hirooki)] Kodai Oujo no Kannou Ryouhou Taikenki (Queen's Blade)
[Taishinkokuoh Anton] Mitetemo Heiki (COMIC Penguin Club 2021-08) [English] [SquigglesJP] [Digital]
[Hiroshi Kodaira] Tenshi-tachi no Love Song
[Rippadou (Inugai Shin, Liveis Watanabe)] Moo Kodai kun ttaraa na Onee san wa Suki desu ka? (Space Battleship Yamato) [Digital]
(C83) [Old Weapon (Kodai Heiki)] Hinkyuu Eishou Ani (Senran Kagura) [English] [CGrascal]
Isekai nara Loli Shoukan mo Gouhou tte Itta yo ne! - I said loli brothel is legal in another world!
[KNOCKOUT (USSO)] Suki Dakara Heiki!
COMIC X-EROS #22 2014-10