A story about a strong-looking older brother doing erotic things with an older man on the set
Goriman Madam
(C64) [Datendou (Nagase Yuuki)] LOST EDEN 03 (Dead or Alive)
[Drill Murata] Ikumade... Piston! - Do the piston until breaking Ch. 1-7 [English] [Zen]
(COMIC1☆9) [Choujikuu Yousai Kachuusha (Denki Shougun)] Strong Girls (Transformers)
(C99) [Chandora, Lunch Box (Makunouchi Isami)] Arifureta ○○ de? (Arifureta Shokugyou de Sekai Saikyou)
(C77) [Ringo Gakuen (Mayonnaise.)] Joseiki-nai no Piston Undou ni Yoru Masatsu Taiden wo Riyou shita Hatsuden System no Rekishi
(COMIC1☆4) [Rippadou (Inugai Shin)] Gori-man Madam (Fullmetal Alchemist, WITCHBLADE) [English] [Whatev]
(C79) [Studio Katsudon (Manabe Jouji, Piston)] Listy!! (Queen's Blade)
[Hakujira Uminekodan (Shimuu)] Bote Dun ~Harande Unde Tsuyoku Natte Iku~ | Pregnancy☆Dungeon ~ Get pregnant, Give birth, and Becum stronger [English] [ATF] [Digital]
(CR27) [Pururun Estate (Kamitsuki Manmaru)] DOA2 Shunka Soushuuban Tokoton Lez (Dead or Alive) [English] {doujin-moe.com}
Paimori
Strong Girls
PETGATE | 孩子们的恶作剧
WEEKLY Kairakuten Vol.29
[Warabimochi] The Gloomy Hero’s Strongest Enemy! Top Loli Pearl 3! [English] {Hennojin}
Women Who Become Beasts -The Strongest Wills-
Shintogourinsan
Tsuyo tsuyo Mesugaki Villain to Yowa yowa Hero no Ore | The Very very Strong Bratty Villain and I, the Very very Weak Hero
(COMIC1☆5) [Todd Special (Todd Oyamada)] Golden NTR Gekijou | Golden NTR Theater (Catherine) [English] [CGrascal]
Beautiful Illusion 10
(SC33) [Light Pink (Kayama Harumizu)] Shigure no Arubaito (Shijou Saikyou no Deshi Kenichi)
COMIC HOTMiLK 2013-02
[Berugamotto] Masobuta Dai Ichi Wa - Goumon to Fukujuu | M母猪-第一话-拷问与服从 (History's Strongest Disciple Kenichi) [Chinese] [有条色狼汉化]
Sokuhame! Harem - Oh yes! Pussy harem!!
WEEKLY Kairakuten Vol.46
[Noise] Itsumo no Pattern | The Usual Pattern (COMIC LO 2015-06) [English] {5 a.m.}
[Okyou] The Bulky, Strong Onee-San [English]
DOA vs. Predator 2: The Human Onahole
[Pururun Estate] DOA2 shunka soushuuban tokoton rez [DOA]
Tsuyoi Onna Senshi, Inma o Taoshita Kurou ga Mukuwarezu Nikubenki ni Naru | Strong Female Warrior Defeats The Succubus But Becomes A Cumdump Anyway
Arifureta Hibi ni Modotte kure!!!
[OKINA Flying Factory] Zankoku Cube 3
[KNOCKOUT (USSO)] Ana Centimeter 4 DLver. (History's Strongest Disciple Kenichi)
Who'd Have Thought The Strongest Man Would Get His Pussy Ploughed...
Shiro Kuro Jima GOLD
(C80) [Uruujima (Uruujima Call)] Shigure Choukyouki (History's Strongest Disciple Kenichi)
好色公司Koushoku Pistonring Nishizawa
Saikyou Bakunyuu Kouchou no Kimitsu Ninmu | The Secret Mission Of The Strong Big Breasted Principal
[R55 Kyouwakoku (Kuroya Kenji)] SOIX 3 (Fullmetal Alchemist) [English] [desudesu] [2008-09]
(C86) [Shimapan (Tachibana Omina)] Harem Mono Tsumeawase (Dead or Alive)
Athlete's Strong Sex Drive Ch. 1 - 6
[Sugiura Yuki] Gouin ni Sareru no ga Suki nandesu yo ne...? ~Otto yori Sugoi Furin Piston de Icchau Onna Joushi!~ 1
Hibari Renren Kochi Tsuyoshi | Skylarks, Longing, Strong Spring Winds
[Kebero Corporation] Shijou Saikyou no Chin Musume
[Samidaregiri (D Crowly)] Shigure (History's Strongest Disciple Kenichi)
[KI-SofTWarE (Kiken Shisou)] Kiken Shisou Sakuhinshuu 4 Soushuuhon (Queen's Blade, History's Strongest Disciple Kenichi)
[Anthology] Pai;kuu Dainijuuichigou (Various)
(C61) [U-A Daisakusen, Lapislazuli=corporation (Harada Shoutarou)] Ruridou Gahou CODE:16 (Dead or Alive)
F.T.A 4
[Sugiura Yuki] Gouin ni Sareru no ga Sukinan desu yo ne...? ~Otto Yori Sugoi Furin Piston de Icchau Onna Joushi!~ "18 Kin" 7
[D-factory (Zouroku)] Karyuudo (Dead or Alive)
Koushoku
Seiyoku tsuyome, dekachin no shota de wārudotsuā | World tour with strong libido and big cock shota
BODYSHOP SHIN-IMAMIYA
[Hatahata Factory (Kotoyoshi Yumisuke)] XXX V (Dead or Alive)
[Mugi Tokisaka] FUTANARI ONANIE (Dead or Alive)
Akarui Kazoku Seikatsu
(C58) [Tsurikichi-Doumei (Various)] Tsurikichi Doumei no Color Hon 6 (Various)
(C58) [BASIC CHAMPIONS] throbbing gristle (Various)