[Kouda Tomohiro] Petit-Roid 3 - Extra Ch.2
(COMIC1☆6) [Kinoko Pot Pie (Yukiguni Eringi)] Moshi Idol ga Semen Road de Seieki o Atsumeru Event ga Kaisai Saretara to Iu Mousoubon (THE IDOLM@STER CINDERELLA GIRLS)
(C94) [Karuwani (Rama)] Hime wa Nekomi o Osoi EnerDri Kankaku de Seieki o Nomu. (Fate/Grand Order)
[kika=zaru] Tonari no Oku san wo Mina de Oishiku Itadaki mashita
(C66) [EXtage (Minakami Hiroki)] EXtra stage vol. 14 (School Rumble)
[Roshiman] Yamaoku no Mura de Akogare no Ano Ko o Seieki Benjo ni shite Nakadashi shi Houdai no Samen Tank ni Shiyou (Dragon Quest V) [Digital]
(C84) [Ahoge (Satsuki)] Neko-ka Master! (Fate/EXTRA)
Ginga Senshi Justian VS Seieki Kaijuu Dorgon
(C78) [MEKONGDELTA&DELTAFORCE (Zenki, Route39)] EXTRA "C" 2010.08.13 (Ookami-san to Shichinin no Nakama-tachi)
(C71) [Hanamaru Mugen Gym (Hyoujun Mai)] Itadaki Sweets (Various)
[Pollinosis (Shinkuu Tatsuya)] Yokoshima Sensei Bokutachi no Seieki o Zenshin de Uketomete Kudasai!! (Seitokai Yakuindomo)[Chinese][雷电将军汉化]
(SC2018 Summer) [Kaze no Gotoku! (Kazabuki Poni)] Hajimete no Sekaiju EXTRA LOVE POTION (Sekaiju no Meikyuu)
[DISTANCE] Joshi Lac! | Girls Lacrosse Club + extra chap[English] [The Lusty Lady Project]
[Tsuya Tsuya] Tatoeba Haha Ga Extra Kuro
[Tonoya (Tonotani)] Kusuguri Quest ~Extra~ [Chinese] [狂笑漢化组] [Digital]
[Matsunami Rumi] Onna Kishi no Meshitsukai + Bangaihen | The Servant of the Lady Knight + Extra [English] {Hennojin}
[TONKOTSU (Sekiri)] SEIEKI CHUUDOKU+1 (Touhou Project)
COMIC Momohime 2007-05
(C89) [Toriniku Seikatsu (Kureura Keita)] Kananana Oppai Venti Hot Extra Whip (THE iDOLM@STER CINDERELLA GIRLS)
[EXtage (Minakami Hiroki)] SAKURA Z-ERO EXtra stage vol. 22 (Fate/Zero)
Mamono Musume Oppai Shikou ~Majutsushi to Zombie Musume no Seieki Shibori Sono 5~
[Calpis Koubou (7ten Paoki)] Suituki Fella ~ Nande Konnani Chinpo to Seieki tte oishiino? ~
[Studio Hammer Rock (Various)] GUNDAM H No. 02 (Mobile Suit Gundam)
2D Comic Magazine Seieki Bote Shite Gyakufunsha Acme! Vol. 2
[Studio★ParM (Kotobuki Utage)] PM 22 Mi Shuuroku Shuu Soushuuhen | Extra Stories Collection (Various) [English] {doujin-moe.us}
(C93) [LikeFairly (Arikawa Koba)] Ichinose Shiki no Jikken Report: Futanari Akiha kara no Seieki Sesshu (THE IDOLM@STER CINDERELLA GIRLS)
[Mekongdelta & Deltaforce (Route39, Zenki)] Extra "C" Vol. 05 (Rockman Dash [Mega Man Legends])
(C69) [EXtage (Minakami Hiroki)] A's EXtra strage vol. 18 (Athena)
[SILMARIL (Ayakaze Ryuushou)] HYBRID-CHILD 2 Extra (Kanon)
(C79) [abgrund (udk)] EIEN Extra 01 [English] [SaHa]
[Kamoro-Sa-Z (Migiyori, Oobanburumai)] Capucchuu to Omakebon | Capucchuu Extra Story (Capucchuu to Vampire Soushuuhen) (Rosario + Vampire) [English] [EHCOVE] [Digital]
Hamegurui 3L - Sex shinai to Nukerare nai Seieki Dildo Daisakusen!! Hen
[Shimimaru] Itadaki! Seito Shidou | Receiving! Guidance Counseling (COMIC Megastore H 2012-05) [English]
[Quzilax] Loli Tomodachi Bangaihen - Natsuyasumi no Shoujo-tachi | Loli Friends Extra - The Summer Break Girls (Loli to Bokurano.) [English] [NEET]
[Anthology] 2D Comic Magazine Seieki Bote Shite Gyakufunsha Acme! Vol. 1 [Digital]
(CR35) [Geboku Shuppan (Pin Vice)] Pure! Extra 4 (To Heart)
[Kamitou Masaki] Manami Sensei no Kougaigakushuu Ch. 7 | Manami Sensei's Outdoor Lesson Ch. 7 [English] [hong_mei_ling]
[Eguchi Jaws] Koibito Complex [Chinese]
(Yarou Fes 2013 petit) [Draw Two (Draw2)] Ookami-sama no Iru Shima | Wolves’ Island [English] {Baradise Scanlations}
(C67) [Chimatsuriya Honpo (Asanagi Aoi)] 2004 ONLY ASKA EXTRA (Neon Genesis Evangelion)
[Saki Harukaze] Extra Booth
[Anthology] 2D Comic Magazine Ishukan Haramase Bakemono Seieki de Shikyuu o Mitasareru Onna-tachi Vol. 2 [Digital]
Seieki tte Sugoi no yo! | Sperm Is Amazing!
[NCP] Boku no Tenshi Sama ~ Seieki Hoshigari Dosukebe Tenshi to Sekkusu Dzuke no Hibi
Onegai Teacher [Mekong Delta,Delta Force] Extra C Vol 2
[Calpis Koubou] Nemuru Imouto ni Seieki wo Kakeyou! [Digital]
(C86) [Kujira Logic, TOYBOX (Kujiran, Kurikara)] Goshujin-sama Oppai desu yo!! 2 (Fate/EXTRA CCC)
(C90) [Meteor Labyrinth (Arisato Natsuki)] Melty Touch (Fate/EXTRA CCC)
KAMEHASUTRA Minus Hanatareta Musuko no Seieki | KAMEHASUTRA - Goten Firing Out His Sperm
(C94) [Dragon Kitchen (Sasorigatame)] Ore to Tamamo to My Room 3 (Fate/Extra) [English] {Doujins.com}
[Ver9] Breeding Party Omake + Extra [English][FUKE]
(C65) [BBB-Extra (Chuushin Kuranosuke)] Hiyoko no Kimochi Gengashuu (Hiyoko no Kimochi)
[Igakino Agenasu] Dokidoki Seieki Bokin ~Joshikousei to Kozukuri dekiru Sekai~ | 臉紅心跳 精液募款 ~可以和女子校生隨意愛愛的世界~ [Chinese]
(CR31) [Geboku Shuppan (Pin Vice)] Pure Extra 2 (To Heart)
(C77) [Hito no Fundoshi] Admired Beautiful Flower Extra (Princess Lover!) (English) =LWB=
(Sunshine Creation 14) [DPP (MinnArm)] DEPTH PROBE EXTRA HORN LUST (Original)
[Calpis Koubou] Sei Futanari Seitokai ~Gohoubi wa Seieki Buro~ [Digital]
(C96) [Momoiro Sugoroku (Shisui Ao)] Extra Ecchi! (Fate/EXTRA)
[Hidari Kagetora] FOOLS Ch.1-5 + extra
Keiken na Sister Minarai ga Otoko no Tokunou Seieki o Shiboritsukusu Hon
[doumou] Itadaki! Seieki ♥ [Digital]
Boku no seieki abura o obasan ni
(C81) [ASTRO CREEP (Matsuryu)] Sword Art Extra Junbi-gou (Sword Art Online)
(C88) [Meteor Labyrinth (Arisato Natsuki)] Suki nara Zenbu ii janai! (Fate/EXTRA) [English] [Tigoris Translates]
[SANB. (Ito Ryusei)] Meikyuu sekai no mamono tsukai Bad End EXTRA | Getting Used By Labyrinth World's Monsters - Bad End EXTRA [English] {Doujins.com} [Digital]
[Ozaki Miray] The Great Escape Extra. 1
Alien Queen no Mae de Seieki o Sasageyou | Offer Up Your Sperm For The Alien Queen
(CR33) [Studio Katsudon (Manabe Jouji)] .hack//extra (.hack//Tasogare No Udewa Densetsu)
Hardcore Gensoukyou 2 ~Ahegao Bounyuu Funnyuu Seieki Bote Mashimashi de~
[Amato Huantei] Extra Gold Experience Ufufu m9 (Touhou)
[Gorillon (Kyuun)] Kono Ato Oihiku Itadaki Mashita. (Dynasty Warriors)
[Pepe] Ruuko-san no Asa | Ruuko-san's Morning + Extra 1-2 [English]
(C86) [Sheepfold (Tachibana Yuu)] Yakuyou Seieki μ's2 (Love Live!)
(COMIC1☆7) [Nahabaru (Mae)] Breast Valley (Fate/Extra CCC)
(COMIC1☆6) [Hisagoya (Momio)] Dagitsune Monogatari (Fate/EXTRA) [Chinese] [黑条汉化]
[D2 Algorithm (Rokuichi)] Amako Ticket Extra ~Onikuya-san Hen~ | Amako Ticket Extra ~Butcher Edition~ [English] [Nisor]
[光華猟兵] Prelfillust Extra.1【A】
[Various] Mahomono (AXS)
(C76) [Shinobi no Yakata (Iwama Yoshiki)] Mio no Onaka ni Dopyu Dopyu Shite Seieki Zuke ni Suru Hon (K-ON!)
Extra Ecchi!
[Mimuda Ryouzou] Mimika-chan "Extra Grandage"
[TsuyaTsuya] Tatoeba Haha Ga Extra Kuro [English] [Fated Circle]
(C74) [Otaku Beam (Ootsuka Mahiro)] Superfluity [24→←14] # Extra Chapter 02
(Brand New Leaf 10) [SILMARIL (Ayakaze Ryuushou)] HYBRID CHILD EXTRA 3 (White Album)
(C94) [Isocurve (Allegro)] Special EXtra FRIEND SeFrie Tsuma Yukari Vol.01 + Omake Paper
Nekojishi EXTRA | 네코지시 EXTRA
(SC53) [King Revolver (Kikuta Kouji)] Taisa ni Seieki wo Maki Chirasu Hon (Valkyria Chronicles)
Bonyuu to Seieki de Iwau Netorare Haitoku White Day
(C61) [EXtage (Minakami Hiroki)] EXtra Stage vol.06 (Dai Akuji)
(C85) [H-sYS. (CL)] NEWS DAILY EXTRA (Touhou Project)
Konya ●● o Itadaki ni Mairimasu
[EXtage (Minakami Hiroki)] EXtra stage vol. 7 (Tsukihime)