(C53) [Studio Wallaby (Various)] February (Battle Athletes Daiundoukai)
(C87) [Popochichi (Yahiro Pochi)] Fumina Piston Fighters Try (Gundam Build Fighters Try)
[DL Mate] Zenra Undoukai ~ Zettai Fukujuu Control
Doki Illya-chan Bocchi no Eroero Daiundoukai!
[Nakamura Regura] Shundou no Kokoro | Fluttering Heart (COMIC Unreal 2017-02 Vol. 65) [English] {Hennojin} [Digital]
[Karma Tatsurou] Shota-gaibutsu Kyousou | Shota Obstacle Race (Shounen Ai No Bigaku 9 The Bokura No Undoukai) [English] [WarDance]
WEEKLY Kairakuten Vol.71
[Doushoku (Onaka Emi)] #Uraaka Onee-san to Icha Love Seitsuushiki ~Shota no Zetsurin Piston ni Shiofuki Zecchou~ [English] [BigBro000] [Digital]
Paimori
Tsuyoki na Undoubu Joshi ga Netorareru
Disaster
Waga atatamete yarou!
Kotegawa x Kouchou x Mob Danshi Harenchi Undoukai Ouen Kassen
Ura Daiundoukai (Battle Athletes)
(C53) [Studio BIG-X (Arino Hiroshi)] MOUSOU THEATER 9 (Cardcaptor Sakura, Battle Athletes Daiundoukai)
[Nakayohi (Mogudan)] Ura Daiundoukai (Battle Athletes Daiundoukai)
Utage no Ato de
(C82) [Hikari no Tomoshibi (Kousoku)] Touhou Bondage Undoukai!! (Touhou Project) [Chinese] [贝尔西行寺个人汉化]
Akarui Kazoku Seikatsu
(Renai Jiyuugata! Junbi Undou) [Banyuu (Aoi Levin)] Seichouki (Free!)
(C56) [Onikibitou (Piston)] PISTON WORLD (Various)
(C93) [DA Kashiya oroshi (Wokasiya)] Re:90s Athlete Dai Tokkun Hen (Battle Athletes Daiundoukai)
部長、もうイジメないでくださいっ!~二人きりの淫らな部活~ 【完全版】2
COMIC Shitsurakuten 2021-10
[Undergroundou] Buta Moyashi
(Triplet Rhapsody 7) [Kaishundou Honpo (Kaishundou)] Kyougaku!! Yabecchi no Kokan ni Ectoplasm o Mita!! (Mitsudomoe)
(SUPER28 -Ten-) [Tousoku Chokusen Undou (Pain)] Yume de Aetara (Dragon Ball Z)
[Fuzuii Undou (Fuzui)] Botsuraku Mesugaki Reijou Shoufu Baikyaku ochi [Chinese] [逃亡者出资汉化] [Digital]
Shuchi Nikukan
Futari no Bonnou Hassan!!
[Hayake] Mai-chan to Sentou | Bath-House Bonding With Mai-chan (COMIC LO 2021-01) [English] {Mistvern} [Digital]
[Undergroundou] Underground Natural Klutz Orgasm VI
Gohan o Taberu Hon 3
(C85) [Hikari no Tomoshibi (Kousoku)] Touhou Bondage Dai Undoukai!! (Touhou Project)
(C79) [Kaishundou Honpo (Kaishundou)] Yoru no Ie Lemon he Youkoso!! (Shinryaku! Ika Musume)
Daikirai na Aitsu no Maji Piston
[Undergroundou] Haru no Shura - Seifuku Shounen to Geshuku Daigakusei no Ikenai Kankei -
[Bakuneko''' (MATRA-MICA)] Millhi no Asa no Undou - Millhiore's Morning Business (DOG DAYS)
Undou Shimasho!
Dohyou Athletes Daiundoubasho
(C85) [Hikari no Tomoshibi (Kousoku)] Touhou Bondage Dai Undoukai!! (Touhou Project) [Chinese] [贝尔西行寺个人汉化]
(C55) [Kaiten Sommelier (13.)] 6 Kaiten Anna-chan no Danshi Eiseikou Hen (Battle Athletes Daiundoukai, Bishoujo Senshi Sailor Moon)
[Undergroundou] Hadaka no Tsukiai -Hentai no Atsumaru Ecchi na Sentou-
[Nikumansho] Hikari no AV Jou ni Oiuchi Piston de Renzoku Shisshin (Final Fantasy XIV)
[Ofuton de Suyaa (Mitsudoue)] Tsuyoki na Undoubu Joshi ga Netorareru [Chinese] [羅莎莉亞漢化]
Gohan o Taberu Hon 4
[DL Mate (Pistonring Nishizawa)] Jikan Teishi Kinou de Mizugi Gal no Kyonyuu o Yaritai Houdai Kui Makuru [Chinese] [Den個人漢化]
(Puniket 21) [Kaishundou Honpo (Kaishundou)] Sugisaki Miku Otona Pantsu (Mitsudomoe)
[Undergroundou] Tonde Hi ni Iru Natsu no Fundoshi Shounen
[Tanaka-Ex] TOKI to MEKI -Tomatta Sekai de Majiwaru Toiki- | Toki & Meki -Sexual Breaths in a Time-Frozen World- Ch. 1-5 [English] [Digital]
YOUNG Kyun! Vol. 2 [Digital]
M.F.H.H 'MP'
(C77) [Ringo Gakuen (Mayonnaise.)] Joseiki-nai no Piston Undou ni Yoru Masatsu Taiden wo Riyou shita Hatsuden System no Rekishi | History of Piston Friction-Powered Electricity Generation System Via the Female Reproductive Organ [English] [DesuDesu]
(Renai Jiyuugata! Junbi Undou) [Dolce Einsatz (Tomoe Kiko)] secret touch♥ ~Futari Dake no Himitsu Renshuu~ (Free!)
PISTON WORLD
Shujou Omoteura
WEEKLY Kairakuten 2021 No.44
Yasashiku Piston
PISTONS & PISTOLS
Piston o Tomeruna! Ikikuruu Hitozuma Nakadashi Zanmai Tomodachi no Haha
Koushoku Ch. 3 ~ Shiibashi Miho ~
Mama-san Undoukai