[Shikishiro Konomi] Netoraserare | 虛假的寢取 Ch.1-27 [Chinese]
[Fulloption] P.E. wareouse Vore
(Reitaisai 4) [Web Knight (Knight Satoshi)] Optimal Optimum (Touhou Project)
Erosugiru Tokoya no Obasan ~Otona no Option wa Ikaga? 1-6
Great Reaction in Ecstasy Chapter2
[Yamamoto Kenji] Tenshi no Option
(C75) [Przm Star (Kamishiro Midorimaru, QuanXing)] Optical Storm (Valkyrie Profile)
Gekkan "The Bitch" o Mita Onna no Hannou ni Tsuite | About the Reaction of the Girl Who Saw "The Bitch Monthly"
[Kirimoto Yuuji] TS Reaction | Sex Change Reaction (Nyotaika Happiness! 2) [English] [desudesu] [Digital]
(C88) [Kasshoku Waisei (YANAGI)] Shiru no Nominokoshi wa Genkin Desu. | Swallowing Is Not Optional. [English] [alparslan]
(CR34) [RYU-SEKI-DO (Nagare Hyo-go)] Optician (Various)
[Charlie Nishinaka] Cheers! 4 [English] [SaHa]
Option
[Optimism small country (Horikiri Haruto)] Jirettaikedo Ore ni Motto Te o Dashite Hoshii Nante Ienaidaro Daichi no Baka! (Haikyuu!!)
[Hasukawadou (Various)] Touhou Semen Cream Puff wo Tabeta Toki no Reaction Goudou (Touhou Project)
(RTS!!5) [Optimism small country (Horikiri Haruto)] Mousou Kisei Jijitsu (Haikyuu!!)
[OptionalTypo] Team Building (Little Witch Academia)
optimistic bunny
irreversible reaction
[Naedoko (Koucha Kinoko)] LYRICAL OPTION VIRTUAL EMOTION! (13 Sentinels: Aegis Rim) [Digital]
[fulloption] Demongirl vore
(C87) [Optimism small country (Horikiri Haruto)] Oishii Milk no Shiborikata (Haikyuu!!)
An Adoptive Father6 - Black Hide Lust
Loli Baba Ogibo-san wa Tottemo Oshi ni Yowai | My Adoptive Lolibaba Mom Is Very Easy To Push Around
[Uesugi Kyoushirou] Fuuki Iinchou Odosare Ura Option ~Fukujuu no Inmon~ (ANGEL Club 2016-04) [English]
Super Optimistic Nyan Nyan
[Light Rate Port Pink] Saimin SEX Dorei -AKANE- | Hypno SEX Slave -AKANE- (Ranma 1/2) [English] [Optitron]
[Hissatsukun] Ura Option (ANGEL Club 2015-07) [English] [TripleSevenScans]
Love Option
Great Reaction in Ecstasy Chapter5
Ketsuekigatabetsu Option
[AXZ] REACTIVE ATLANTIS
An Adoptive Father2 - Dot And Rope
[Millefeuille] Omotta Ijou no Hannou - Great Reaction in Ecstasy! [English] [Tadanohito]
(C76) [May no Tenshi (Neyuki Rei)] Optique-Girl 2
Kissa Lycolyco Ura Option
Erosugiru Tokoya no Obasan ~Otona no Option wa Ikaga? 1-3,5-9
Great Reaction in Ecstasy Chapter 8
overreacted hero ayanami made to best match before dinner barbecue
Great Reaction in Ecstasy Chapter6
(C89) [Optimism small country (Horikiri Haruto)] Sutabaa no Ura Menu (Osomatsu-san)
Great Reaction in Ecstasy Chapter4
Roriura Tanuki no Kayazan'you | The over-optimistic back alley tanuki's miscalculation
Niku Ningyou Maker | Human Puppet Maker - Have Sex with Unreacting Always Willing Women!
[Umino Sachi] Aibou | Love Partner (Action Pizazz SP 2008-08) [English]
[Chuuka Naruto] Gichichi - An Adoptive Father
Tounyuu Vol.2 | Fighting Big Tits Girl 2
Diona's estrus reaction
Ichigo 100% - A Disastrous Chain Reaction
Overreacted hero Ayanami made to best match before dinner barbecue
[Toilet Kago] Miku Miku Reaction 50-70.5 {END} (Vocaloid)
(COMIC1☆3) [D.N.A.Lab. (Miyasu Risa)] PRINCESS REACT (7th Dragon)
Great Reaction in Ecstasy Chapter1
[Muroi] Kissa Lycolyco Ura Option [Kanzenban] (Lycoris Recoil)
妄想既成事実
(CR37) [AXZ (Harukaze Koucha)] REACTIVE ATLANTIS
Nikaido, Bentou ni Ura Option o Tsukeru
[Toilet Kago] Miku Miku Reaction 1-33 (Vocaloid)
(C90) [Optimism small country (Haruto)] Soccer-Bu no Yoshida-kun (Haikyuu!!)
[Millefeuille] Omotta Ijou no Hannou - Great Reaction in Ecstasy!
(C84) [Take Out (Zeros)] Optimization -Saitekika- (Toaru Kagaku no Railgun)
(C89) [Optimism small country (Horikiri Haruto)] Sutabaa no Ura Menu (Osomatsu-san) [English] [Rapinii]
Yoku Aru Yamai no Naoshi kata
Erosugiru Tokoya no Obasan ~Otona no Option wa Ikaga? 7
[Umino Luka] Erosugiru Tokoya no Obasan ~Otona no Option wa Ikaga? 1-9(Complete) [cqxl自己汉化] [Digital]
[Optimism small country, FrancDoll (Horikiri Haruto, Naba Chuuta)] Himitsu no sexual harassment - Secret sexual harassment (Sengoku Basara)
[Paja] Option (ANGEL Club 2003-02) [English] [Amoskandy] [Decensored]
Ura Option Onegaishimasu.
(HaruCC22) [Optimism small country (Haruto)] Shino wa Wakatte Kurenai (Mobile Suit Gundam Tekketsu no Orphans)
Erosugiru Tokoya no Obasan ~Otona no Option wa Ikaga? 1-9
[Ankoman] Nikaido, Bentou ni Ura Option o Tsukeru (Dorohedoro)
[Umino Luka] Erosugiru Tokoya no Obasan ~Otona no Option wa Ikaga? 1-3,5-9 [cqxl自己汉化] [Digital]
Zutto sumoopu no tān!!
Hentai Optics
[Toilet Kago] Miku Miku Reaction 71-115 {END} (Vocaloid)
【南方姑娘】-私人画家
[Chuuka Naruto] Gichichi - An Adoptive Father [English] [SaHa]
Gekkan "Za Bicchi" wo Mita Onna no Hannou ni Tsuite | About the Reaction of the Girl Who Saw "The Bitch Monthly"
Shiru no Nominokoshi wa Genkin Desu. | Swallowing Is Not Optional.
(COMIC1☆10) [Kaokuba (Shinyashiki)] Hentai Optics (Granblue Fantasy)
An Adoptive Father7 - Exorcist Reika1
[Toilet Kago] Miku Miku Reaction 116-186 {END} (Vocaloid)
[Umino Luka] Erosugiru Tokoya no Obasan ~Otona no Option wa Ikaga? 1-6 [Digital]
An Adoptive Father3 - Evil Guys
[Kumano Tooru] Shikareretakute, Ikenaiko | Bad girl who loves to get scolded (COMIC Penguin Club 2018-11) [English] [Shippoyasha] [Digital]
Ootsuka Tomohiro Soushuuhen A
TS Reaction | Sex Change Reaction
Eula no Youkai Hannou | Eula's Melting Reaction
(Futaket 11) [Mayakasiya (Igusa Shunrou)] Optional Parts (Dr. Slump)
Great Reaction in Ecstasy
Gichichi - An Adoptive Father
[Toilet Kago] Miku Miku Reaction 34-49 (Vocaloid)
optimus primeXmegatron transformers beast
[Paja] Option (ANGEL Club 2003-02) [English] [Amoskandy]
[Optimist] R.O.H (Ragnarok Online)
(C78) [May no tenshi (Neyuki Rei)] brand-new Optique Girl (Original)
[LBL] The Pushover Adoptive Mother Lolibaba
(C96) [Bloody Okojo (Caviar, Mojyako)] irreversible reaction (Sword Art Online) [English]
Great Reaction in Ecstasy Chapter7
Touhou Semen Cream Puff wo Tabeta Toki no Reaction Goudou
An Adoptive Father1 - Erotic Focus
Sutabaa no Ura Menu
(SPARK10) [Optimism small country (Horikiri Haruto)] Doutei Sotsugyou Shiyo! (Haikyuu!!)
[Kei] Zutto sumoopu no tān!! (Kei)
An Adoptive Father8 - Exorcist Reika2
An Adoptive Father5 - Path of Beasts
(C66) [Mizuki-chan Club (GotoP)] Musou -Fate-ReAct- (Fate/stay night)
Fuuki Iinchou Odosare Ura Option ~Fukujuu no Inmon~
【大小奶】-私人画家-中文
Ura Option
(COMIC1☆3) [May no Tenshi (Neyuki Rei)] Optique-Girl
Kaiun Miracle Positive Option
[Hissatsukun] URA Option (ANGEL Club 2015-07) [Chinese] [最愛路易絲澪漢化組]
[Fan no Hitori] Dolls -Anzai Rina Hen- | Dolls -Rina Anzai's Story- (Dolls) [English] [Optitron]
[Option 5] Option 5 Vol. 01 (Various)
(CR35) [Kensoh Ogawa (Fukudahda)] Super Optimistic Nyan Nyan (R.O.D THE TV)
Blood type option
Kimi wa Tomodachi 2
[Fujii Akiko, Akiyama Michio] OO II Junketsu no Hansayou - "OO" II Pure Reaction
Great Reaction in Ecstasy Chapter3
[Chavo Bantam (Torao)] Ura Option Onegaishimasu. (Kanojo, Okarishimasu) [Chinese]
[fulloption] Lamia vore (English)
An Adoptive Father4 - Blue Charm
[Bobobo] Kyoudai ni Natta Hi | The Day She Became My Sister (COMIC Megastore 2009-10) [English] [Fated Circle]
[Uniyaa (Ikinari Mojio)] Paitore!〜 Paizuri-shiki Sourou Kaizen-hou 〜 [Digital]
[Mochinchi (Mo)] Rider-san no Tsumamigui (Fate/stay night) [Chinese] [漢化組漢化組×我尻故我在] [Digital]
[zen9] Koabita 01
(COMIC1☆5) [SHD (Buchou Chinke)] Tatsumiya Taichou Ijimetai (Negima!) [Eng] [Anonygoo + Kusanyagi]
[Makinosaka Shinichi] Change★ (COMIC Megastore 2010-01) [English] [Darknight]
[Molossan (Morochin-san)] Dokidoki Mesuiki! Challenge!! ~Cosplay Uriko Hen~ (Hacka Doll, Kantai Collection -Kancolle-) [Chinese] [瑞树汉化组] [Digital]