(Aka no Hiroba 9) [Water Drop (ma-sa)] Flan no! Otona ni naru mon! (Touhou Project)
Himitsu × Natsufuku = x / Otona
[Hitori Jozu] Otona Brikko no Nanatsu Boshi
(SC35) [Jouji Mujoh, Otona Star (Shinozuka George, Hiuma)] PTO (Persona 3) [English] {doujin-moe.us}
[Otona no Douraku (OrenumaTooko)] Koiwazurai no miko
[Otonano Gu-wa (Yamada Tarou (Kamei))] EROSION 8
[Otonashi Kyousuke] Wakeari na Kanojo
Dengeki Otona no Moeoh Vol.07 [Digital]
(COMIC1☆10) [Pochi-Goya. (Pochi.)] Otona no Dagashi 4 (Dagashi Kashi) [Sample]
(C89) [Pochi-Goya. (Pochi.)] Otona no Dagashi 3 (Dagashi Kashi) [English] [N04h]
(C74) [Funikigumi (Yurikawa)] Ii Toshi Shita Otona ga Shiro Dano! Kuro Dano! (Moyashimon) [Chinese] [无毒汉化组]
Otona Ninaru | To Become An Adult
[Tamachi Yuki] Kore demo Otona Desu Kedo!? Mrs.LOLITA Kanzenban | 人家是大人啦! ~Mrs.LOLITA完全版 [Chinese]
(Reitaisai 12) [Shirasu An (Baerun)] Otona na Watashi | The Adult Me (Touhou Project) [English] [Trinity]
(C91) [Mugen Jirai (Mushi)] Motomoto Shinkan no Hazu datta ga Otona no Jijou de Omakebon ni Narimashita. (Granblue Fantasy)
[Otona Ookami (Arima Chimako)] Kuuru na Ano Ko ni Itazura Shitai 1 (One Punch Man)
[Shinozuka George] Watching Shooting Stars Together [English] [ FAKKU!]
[Otona Teikoku (YAC)] Onaji Class ni Natta Muboubi Muteikou Kyonyuu Bishoujo Sumire-chan ni Yaritai Houdai na Shingakki
[Otonano Do-wa (Takei Masaki)] Shizuku no Hana, Kanmuri no Hime Soushuuhen - The flower of a drop, the princess of a crown
[Taira Kosaka] Otona no Kaidan (COMIC Koh Vol. 6) [English] {NecroManCr}
(SC34) [Otona Star (Hiuma)] Otona OS 2/18 (OS-tan) [English] [SaHa]
[Kisama Soredemo Ningenka!! (Tano)] Koma-chan Otona o Shiru (Non Non Biyori) [Digital]
(COMIC1☆11) [Hi-PER PINCH (clover)] Otona no Japari Manko! (Kemono Friends)[Chinese] [沒有漢化]
[Tora Shutsubotsu Chuui (ZELO LEE)] Otona no Shoumei (SoulCalibur) [Chinese] [Digital]
[Toy-S & Tajimaru (Tajima Yoshikazu, Yukako, Kou Yamaoka)] Otona no Omocha Hako (Slayers)
Otona Shuppan ex Soushuuhen
Otona no Mizu Asobi
(C90) [Taikan Kyohougumi (Azusa Norihee)] Sukoshi Otona no Totokira Gakuen (THE iDOLM@STER CINDERELLA GIRLS) [English]
(C90) [Avalanche (ChimaQ)] Yousei-tachi to Otona no Omamagoto? | The Playhouse for the Fairies and Adult? (Touhou Project) [English] {Hennojin}
[Hechi] Otona na Kyouiku
Michiru no Otona Lesson
[Tanakana (Tanaka Natsumi)] Gekisen! Otona no Otokonoko Asobi Daihyakka [2017-05-19]
(C86) [Otona Ookami (Arima Chimako)] Coach no gokai to sensei no himitsu (Haikyuu!!)
[Ponpon Itai] Otona Game | Adult Game (Comic LO 2016-09) [English]
Shougakusei Bitch wa Saikou daze!! Yuikawa Mayu no Doukyuusei to Otona Asobi Hajimari Hen
[Pochi-Goya. (Pochi.)] Otona no Dagashi 2 (Dagashi Kashi) [Digital]
(COMIC1☆13) [Botugo (RYO)] Onee-chan wa Kimi ga Otona ni Naru made Gaman Dekimasen.
(C78) [Dennou Fuyu Mikan (Ueda Rieko)] Otona Challenge (Final Fantasy 4)
Otona ni naru Kusuri - I feel good my woman's body! Ch. 6
Otona ni naru Kusuri - I feel good my woman's body! Ch.1-8
[Pirontan] Otona no Douwa ~Jack to Mame no Ki
[Otonano Gu-wa (Yamada Tarou (Kamei))] Oyako Yuugi - Parent and Child Game
(SC62) [Pinkpompom (Otama)] Boku wa Otona ni Naritai (Persona 4)
(C93) [Majikayo (Maji)] Hatakaze no Otona no Omocha (Kantai Collection -KanColle-) [Chinese] [有毒気漢化組]
Otona ni Naranakatta Kodomotachi no Mitsugetsu
(SC65) [Otona Shuppan (Hitsuji Takako)] Kasei Hime no Otoshikata (ALDNOAH.ZERO)
[Low] Hatsu Iku! KeLolism ~Himitsu no Nakami ha mou Otona♪~ [Digital]
(DC RETURNS 3) [Amakuchi (Kanmimitsu)] Otona ni Natteyo! (Kuroko no Basuke)
[EB110SS] Otona no Ice | Adult Ice Cream (COMIC 0EX Vol. 07 2008-07) [English] [Yoroshii]
[Agata] Otona Ni Naritai! | 渴望登上成人之阶! (Manga Bangaichi 2014-09) [Chinese] [猫耳汉化]
[Atelier Dr.HEAD'S (Katou Chakichi)] Otona no Omocha (Doujin Ban) [Digital]