(C79) [Jack-O-Lantern (Neriwasabi)] Kanzaki Oppai 2 (Toaru Majutsu no Index)
Draph Oppai 3CHAIN - Bakunyuu Musume-tachi to Namahame 4P
(C91) [Ogawa Jinguu (Kamiya Ogawa)] Oppai Obake (Occultic;Nine)
(C91) [Umi no Sachi (Suihei Sen)] Oppai no Jikan♥ | Titty Time♥ [English] [Redlantern]
Oppaithology
Yasaka-san no Oppai
(C73) [Kensoh Ogawa (Fukudahda)] Subete no Oppai Seijin ni Houkoku Sasete Itadakimasu (Gundam 00)
(SC49) [Brain Dead (Eiji)] Kyokumen Oppai Double (Sora no Otoshimono)
RAITA no Oppai Tsumeawase
(C78) [Abradeli Kami (Bobobo)] ○○-san no Oppai ga Mitai hon (Various)
Motto! Haramase! Honoo no Oppai Isekai Chou Ero Succubus Gakuen! | Succubus School Festival
(C58) [Date wa Gorgeous ni (Ponzu)] Kasumi Higyaku no Oppai-hen (Dead or Alive)
(COMIC1☆7) [Gate of XIII (Kloah)] Nyuujoku Holstein -Oikawa Shizuku no 105cm Oppai wa Boku no Mono- | Tit-tortured Holstein: Shizuku Oikawa's 105cm Boobs are all mine! (THE IDOLM@STER CINDERELLA GIRLS) [English] [doujin-moe.us]
Oku-san no Oppai ga Dekasugiru noga Warui! | It's Your Fault for Having Such Big Boobs, Miss!
(SC36) [Acid-Head (Murata.)] Ten-nen Oppai (Tengen Toppa Gurren Lagann) [Textless]
(C94) [Sigamitsuki Mizuhiki (Noshigami)] Reiju o Motte Meizuru Mordred Oppai Ookiku Nare (Fate/Grand Order)
Oppai Sommelier
(C90) [Build-Tetsu (Ninomiya Hitomi)] Graf Oppai Itadakimasu! (Kantai Collection -KanColle-)
[Nikudanmaru] Mega-Oppai
(SC46) [RIBI Dou (Higata Akatsuki)] Luminous Onsen Oppai-dori (Luminous Arc 3)
(C94) [Gessyu (Chouzetsu Bishoujo mine)] Oppai wa Daini Skill no Aji ga Suru (Fate/Grand Order)
(C71) [Nagasaki-inter (Sou Akiko)] Super Oppai Suplex! (Suzumiya Haruhi no Yuuutsu [The Melancholy of Haruhi Suzumiya])
Popopoppai
[Supe (Nakani)] Imouto no Oppai ga Marudashi Datta Hanashi [Digital]
Breast Expansion comic by モモの水道水
(Reitaisai 15) [Futeikei Zenzai (Zentam)] Eirin no Oppai Seigangu ni Sareru Hon (Touhou Project)
(FF27) [Milkshake Work (Milkshake)] Doitsu Kanmusu no Oppai Sakusen (Kantai Collection -KanColle-) [Chinese]
(C88) [Wakuwaku Doubutsuen (Tennouji Kitsune)] ERO Eru-chan no Oppai (Upotte!!)
(Panzer Vor! 15) [Chabane Ninja (Happamushi)] Onii-san-tachi wa Koko de Murakami no Oppai demo Nondenasai yo (Girls und Panzer)
(C94) [METAL-WIND (Sangou)] Oppai Member Paizuri Lesson (Kantai Collection -KanColle-)
[Erect Sawaru] Jikken! After School (Oppai Infinity) [English] =TV=
[Supe (Nakani)] Imouto no Oppai ga Marudashi Datta Hanashi 4 [English] [desudesu] [Decensored] [Digital]
[Koboshi no Niwa (Koboshi)] Shuudan Haramashi Yuuhei Shussan Bakunyuu Fate Saber (Arthur-ou) | The Huge Breasted King Arthur (Fate/Stay Night) [English] =LWB=
Shinu Toki wa Dekkee Oppai ni Umorete Shinitee
(C73) [Kensoh Ogawa (Fukudahda)] Subete no Oppai Seijin ni Houkoku Sasete Itadakimasu (Gundam 00) [English] [Decensored]
[Goban] Ikkyuu Nyuukon - Only My Oppai Soul
FGO Musume no Oppai Bon
(C95) [Donut Ike (Hasunoue Umezu)] Oppai Kaihou Maat (Destiny Child)
(COMIC1☆4) [Misty Isle (Sorimura Youji)] Pai-Loli Extacy - Oppai Lolita Vol. 2 + Paper [English] [desudesu]
Momoi-san no Oppai to Osananajimi
(C91) [Uma no Hone (Toba Yuga)] Oikawa-san no Oppai Iyashi (THE IDOLM@STER CINDERELLA GIRLS) [English] {doujins.com}
(C86) [Gate of XIII (Kloah)] Attaka Oppai (Kantai Collection -KanColle-) [Chinese] [黑条汉化]
Kiryuuin Satsuki-sama to Oppai Sex! | Sexo con las tetas de Kiryuuin Satsuki-sama!
(C79) [Shigunyan (Shigunyan)] Kami Nomi zo Shiru Oppai | The Breasts God Only Knows (The World God Only Knows) [ENG] [Yoroshii]
(COMIC1) [Akifumi-chan (Ozawa Akifumi)] Oppai Yoko-san (Tengen Toppa Gurren Lagann)
[Noise] Kuwagata no Doku | Stag Beetle (Oppai, Futomomo, Sokoni Short Pants) [English] {Doujins.com}
◯◯-san no Oppai ga Mitai Hon Soushuuhen+
(SC2016 Summer) [Yokainosu (Teruwi)] Onedari Kuso Teitoku to Oppai Hamakaze (Kantai Collection -KanColle-)
Mamono Musume Oppai Shikou ~Majutsushi to Zombie Musume no Seieki Shibori Sono 5~
(C87) [TOYBOX, Kujira Logic (Kurikara, Kujiran)] Goshujin-sama Oppai desu yo!! 3 (Fate/EXTRA CCC)
Oppai no Kyodaika ga Tomaranai! -Chounyuuka Kaizou Keikaku!-
(C84) [Mujitan (Tsumugie)] JK Yukari-chan to Oppai na Kotoshitai (Touhou Project)
(C84) [Gate of XIII (Kloah)] Zetsuboo-teki Oppai (Chousoku Henkei Gyrozetter)
(C94) [Oppai Renmei Kantai (YOM)] Bonyuu-kei Kyonyuu Shoujo no Natsu wa Ima Sukumizu Pool-hen
[Noise] Oppai, Futomomo, Sokoni Short Pants + DLsite Gentei Tokuten [Digital]
Souda Asunano Oppai wo ookiku siyou
[Anthology] Oppai no Oppai ni Yoru Oppai no Tame no Oppai Anthology Vol. 1 [Digital]
Oppai de Yin-chan Hon | Yin's Breasts
[Bokiya (Takaryoo)] Meiwaku na Oppai (Takamare! Takamaru) [Digital]
[Gomadoufu] Musuko no Shinyuu wa Oppai Seijin
[Asuhiro] Ai ga Ippai Ero wa Oppai | Lots of Love, Boobs are for Sex [English] [Trinity Translations Team]
Oppai Mama | Mommy's Breasts
Namaiki Oppai Banchou (Banka-Love) Ch. 4
Shinu Toki wa Dekkee Oppai ni Umorete Shinitee {doujins.com}
[BINMALO (Beti)] Hoshifuru Yoru ni Oppai o, Kimi to (Strike Witches) [Digital]
(C91) [Mujitan (Tsumugie)] POLA! Osake no Aji Shita Oppai Dechaimasu~! (Kantai Collection -KanColle-)
[OVing (Obui)] Nipple Fuck Daisuki Gran-kun no Oppai Danin Chichihame Fantasy (Granblue Fantasy) [Digital]
(Reitaisai 9) [Daiginjou Masshigura (Doburocky)] Okuu-chan no Oppai wo Funifuni Hon | The Book of Fondling Okuu-chan's Breasts (Touhou Project) [English] [Rinruririn]
(C93) [Carnage Engine (Bakudanbonbon)] Uchi no Kuni no Megami-sama no Oppai to Ketsuana o Seiki ni Suru Hon (Hyperdimension Neptunia)
V.S. Oppai-sama Stage.2
Oppai ω Lovers
(C93) [Arinotowatari] Zannen Oppai Samurai to Harenchi Shiki-kan (Azur Lane)
[Mita Kurumi] Ahureru Oppai!Oppai! (COMIC Penguin Club 2016-09) [Chinese] [Drz翻訳]
Onedari Kuso Teitoku to Oppai Hamakaze
[Sumechii] Ban-chan to Maman no Oppai Ijiri (Heartcatch Precure!)
(C76) [Tsujidou Motomachi & Jack-O'-lantern] Kamisa Oppai (To Aru Majutsu no Index)
(C81) [Hikari no Tomoshibi (Kousoku)] Mito to Asama de Oppai Daisakusen!! (Kyoukai Senjou no Horizon)
(Senjou no Otome-tachi 13) [Shirley no Oppai! de pfpf Shitai! (Various)] "Eroi Okkii Yawarakai" (Strike Witches)
(CT28) [Hirahira (Hirari)] Daijoubu? Oppai Momu? (NEW GAME!)
Oppai Mamire - Chapter 1
[Aoki Kanji] Onee-chan no Te o Totte | Taking Onee-chan's Hand (Sayonara, Oppai) [English] [Team Koinaka] [Decensored]
[Microdat] My Big Breasted Schoolchild M
(C75) [Kancho Hatto (Wakatsuki)] Oppai no Tsukaima (Zero no Tsukaima)
(C80) [Abradeli Kami (Bobobo)] ○○-san no Oppai ga Mitai hon 2 | The Reader Just Wants to See Your Tits Book 2 (Various) [English]
Alice no Oppai ni Amaetai
[Kikkawa Kabao] Hakkutsu Oppai Daijiten
Dagashi yori Oppai ga Suki
[Nekomasu] Suguha Araburu Oppai (Sword Art Online)
[Sakuraba Jouichirou] Great Breast Miyuki [English] {bewbs666}
[Mitsuya] Pai Colle - Oppai Collection
[Higuma-ya (Nora Higuma)] Oppai o Sawarasete Kureru Katei Kyoushi no Onee-san no Hanashi Botsu Page | A Story About a Female Tutor Who Has You Touch Her Breasts (unpublished pages) [English] [Rotoscopic]
Oppai na Natsuyasumi 3
BEHAVIOUR + 10 ~ oppai-kei hōkyō kyonyū danshi no nichijō ~
[Urase Shioji] Oppai Mondari Sounyuu Shitari~ Sukeru Karada to Fureru Yubisaki~ 1~2 [Chinese] [Den個人漢化]
[Erect Sawaru] Sailor Oppai! (COMIC Tenma 2010-06) [English] =TV= [Decensored]
Nero ni Oppai de Shite Morau Hon
[Kokuryuugan] Oppai~na
[Cheese Company (Peso)] Oppai Momiji (Touhou Project) [English] [Digital]
[Minor Boy] Shachiku Tsuma Reiko | Corporate Concubine Reiko Ch. 1-3 [English] [j3ster]
[Micro Dat] Fururun Big Breasted Schoolchild
OL-san ga Oppai dake de Icchau Manga
[Supe (Nakani)] Imouto no Oppai ga Marudashi Datta Hanashi 3 [Digital]