(C66) [Kamidake Onsen (Kajishima Masaki, Miyakawa Hajime, Chiba Dirou)] Ianryokou Toujitsu No Yoru 4 (Tenchi Muyo!, Tenchi Muyo! GXP) [English] [Tonigobe]
Bijin Okami ~Netorare Jigoku Onsen
(C93) [Iwamanga Honpo (Iwaman)] Tryad Shippori Onsen Futsukame Shiburin Nao no Asadachi Sex!! (THE IDOLM@STER CINDERELLA GIRLS)
(C77) [TNC. (Lunch)] Onsen Tamamagoto (THE iDOLM@STER) [English] [SaHa]
(C91) [sayryu (sayryu)] Oshiego to Koubi Mokuteki no Onsen Ryokou ni Iku Hanashi [English] [desudesu]
[DL Mate (Tsuchinoshita Kaeru)] Onsen de Biyaku Rankou Shiyou!
[F Taku (Anma)] Iya da to Ienai Jimikei Shoujo to Konyoku Onsen [Digital]
[Shigure Ebi (LeftHand)] Hina-chan to Onsen de Renshuu shitai!!! (Touhou Project) [Digital]
[Artienne] Kinjo no Ojii-san ni Onsen ni Tsureteikarete Okasareta Wakazuma 2
(C87) [infinity line (Misato Nana)] Bep Onsen Futaritabi (Kantai Collection -KanColle-) [Chinese] [璃空汉化组]
(C97) [Neko no Odeko (Byougaku)] 2-mei-sama Shinkon Onsen Ryokouki (THE iDOLM@STER: Shiny Colors)
Shain Ryokō de Deisui Ecchi ! ~Onsen no Naka de Atsui no Haitteru u… Ch. 1 - 8
[Aoi Hitori] Yankee Zuma Kanraku! ~Hitozuma Kanochi Onsen~ Ch. 1-2 [English] [R-IC] [Decensored] [Digital]
Mirin-chan no Yukemuri Onsen Yawa
Musashi Onsen
[Shunjou Shuusuke] Keibo Roten | Stepmom in Open Air Onsen (COMIC Mugen Tensei 2016-07) [English] [desudesu]
[Kichiku Koubou] Onsen Okami Kegasareta Juku Anal
(C94) [Granada Sky (Mogiki Hayami)] Elf Onsen
[Muchakai (Mucha)] Chii-chan Kaihatsu Nikki Bangai "Onsen Swapping" Hen
[Eruapo Gundan (Kurabayashi)] Inran Chie-chan Onsen Daisakusen! 1 (Persona 4)
[Salmon Daisuki Club (Done)] Yuruyuru Hatsujou Onsen [Digital]
(CCOsaka92) [Aerial Soul (Shiina)] Gohoubi no Ataekata - Onsen Hen (Tales of Xillia 2)
Iris of the Shade Vol. 2
[yogurt (bifidus)] Furin Takuran Onsen -Sakaki Taeko-san no Hinichijou
(SC39) [Atelier Pinpoint (CRACK)] Blonde - Shinigami Onsen | Death Gods' Sauna Bath (Bleach) [English] {Doujin Daily + Super Shanko}
[Hidemaru] Zokkon! Boin Onsen | Boing Boing Onsen Vol. 2 [English] {Tadanohito}
Boyfriend and girlfriend simultaneous cuckold game
(C84) [Korisuya (Korisu)] Onsen Shoujo H 2 ~Saihou-hen~
Hitozuma to NTR Onsen Ryokou -Soushuuhen-
Rewrite+Clinic
(C91) [Tsuki no Uragawa (Romi)] Kanade-san, Onsen ni Issho ni Hairimasenka (THE iDOLM@STER CINDERELLA GIRLS) [Chinese] [Kanade汉化组]
Onsen Yuukyuu
(Reitaisai 15) [Watosato (Sugiura Sen)] Sanae Onsen (Touhou Project)
Onii-chan Motto I~ppai Osewa wa Watashi ni Makasete ne~Ecchi na Onsen Ryokou~
Haru Kara Onsen Kozukuri Hen | Haru Color ~Baby-Making at the Hot Springs Edition~
(COMIC1☆10) [Tololinco (Tololi)] Ushio no Onsen Kuchikukan (Kantai Collection -KanColle-)
[yogurt (bifidus)] Deisui Haitoku Onsen - Shufu Shinohara Yukie-san no Hiasobi [Chinese] [Digital]
Onsen Ryokan de Harem Square
Takagaki Kaede no Konyoku Onsen Hitoritabi Bon
Futari dake no Onsen de Nero to Icha Pako
Cinderella no Onsen Ryokou
[Agata] Oneshota Onsen Ch. 1 (COMIC Shingeki 2014-07) [English] [vaasi]
(C92) [Takoyaki-batake (Takoyaki Yoshi)] Ro-chan to Onsen Ryokan de Shippori to de Sutte (Kantai Collection -KanColle-)
(C89) [infinity line (Misato Nana)] Bep Onsen Futaritabi 2 (Kantai Collection -KanColle-)
~Tsuma Wo Hitori De Onsen Ni Ika Sete Wa Ikenai
Oshiego to Koubi Mokuteki no Onsen Ryokou ni Iku Hanashi
Ano! Okaa-san no Shousai ~Onsen Ryokou Hen~ Oh! Mother's Particulars! ~Hot Spring Vacation Edition~
Gegege no Yatsura
(C90) [Koban Dou (Sameda Koban)] Mogami to Himitsu no Onsen Ryokou (Kantai Collection -KanColle-) [Chinese] [Lolipoi汉化组]
Rakuen Kikou ~Superbia Onsen Hen~
[Aoi Hitori] Yankee Zuma Kanraku! ~Hitozuma Kanochi Onsen~ Ch. 1-4 [English] [R-IC] [Decensored] [Digital]
B:CLA Nagisa Rinkan Ryoujoku Onsen
Kinjo Yuuwaku Godou Onsen Ryokou Hen | Neighborhood Seduction Joint Hot Spring Trip
(Reitaisai 12) [NERCO (Koikawa Minoru)] Hatate in Tennen Onsen | Hatate in Natural Hot Spring (Touhou Project) [English]
Kanako・Kaede no Onsen Burari H☆
[Shinogi A-Suke] Yuugen Onsen Kidan | A Strange Story of a Fleeting Beauty and the Hot Springs (COMIC MUJIN 2011-04) [English] [biribiri]
Azunyan to Onsen Itte Ichaicha Suru
[NCP] Ki ni Itta Ko ni Nakadashi Dekichau Onsen Shima
[Circle Eden (Diisuke)] Onsen de Boin-Boin Aneki-tachi ni Bokki o Misetsukeru Hon (Touhou Project) [Digital]
Yukki to Onsen Ryokou
(Ginban no glory) [BatuBatuKe (Kanzaki Yuzu)] Toumei Mob Oji-san no Onsen Kairaku Massage (Yuri on Ice)
Kashikiri Pai Onsen
[YASRIN-DO (Yasu Rintarou)] Onsen Musou (Koihime Musou) [Digital]
[Nightmare Express -Akumu no Takuhaibin-] Yokubou Kaiki Dai 291 Shou -Full Ero Panic! Eroffu Onsen Ryokan Yobai Hen + Alpha- (Full Metal Panic!)
[Sameno Soft Cream] Kyonyu Aniyome to Mei to Hito Tanetsuke Onsen Oyako-chu Dashi Hodai Onsen Ryoko
[M先生]NTR-CUCKOLD CLUB [Chinese]
[Metabocafe Offensive Smell Uproar (Itachou)] Lyrical Onsen (Mahou Shoujo Lyrical Nanoha)
Konyoku Onsen Chihayu
(C87) [infinity line (Misato Nana)] Bep Onsen Futaritabi (Kantai Collection -KanColle-)
[Tenma Femio] Yokkyuu Fuman no Hitozuma wa Onsen Ryokan de Hageshiku Modaeru 01-09 [Digital]
[Amahara Teikoku (Amahara)] Teisou Gyakuten Sekai Konyoku Onsen [Digital]
After School Slave Club Second Lesson
(C83) [Oboro & Tempo Gensui Dou (Tempo Gensui)] Sailor Delivery Health All Stars ~Onsen Ryokan-hen~ (Bishoujo Senshi Sailor Moon)
Kishin no Koigokoro ~ Onsen Ryokou Hen
Namaiki!! Mesugaki Onsen
Keibo Roten | Stepmom in Open Air Onsen
(Reitaisai 14) [Hinaprin (Ikuta Takanon)] Oidemase! Chichimoge Onsen! (Touhou Project)
[Muchakai (Mucha)] Chii-chan Kaihatsu Nikki Bangai "Onsen Swapping" Hen [Chinese] [無邪気漢化組]
(C93) [Hidebou House (Hidebou)] Haru Color Onsen Kozukuri Hen (THE IDOLM@STER) [Chinese] [不可視漢化組]
[Rokumonsen (Tamahagane)] Sei ni Utokatta Watashi wa Class no Danshi to ○○○ Shite Shimaimashita. [Digital]
(C88) [S.S.L (Yanagi)] Rider-san to Onsen Yado. Sonogo | Hot Spring Inn With Rider-san. After Story (Fate/stay night) [English] [Facedesk]
Tsuma ga netora rete ita nante boku wa shiranakatta | I didn't know my wife was being cuckolded
(C94) [Granada Sky (Mogiki Hayami)] Elf Onsen [English] [N04h]
[STUDIO HUAN (Raidon)] Hitozuma o Onsen Ryokou de Karimakutta (Mahou Shoujo Lyrical Nanoha) [Digital]
[Haguhagu] Oshiego to Onsen Ryokou (COMIC LO 2018-10) [Chinese] [Badluck1205] [Digital]
(CSP4) [Kajishima Onsen (Kajishima Masaki)] Omatsuri Zenjitsu no Yoru Omake Ban (Tenchi Muyou!) [English]
Shain Ryokou de Deisui Ecchi ! ~Onsen no Naka de Atsui no Haitteruu… Ch. 1-12
She became cuckold wife on the plane
(C94) [Crazy9 (Ichitaka)] C9-36 Jeanne Alter-chan to Yopparai Onsen (Fate/Grand Order) [Chinese] [空気系☆漢化]
[Bunny's Jimusho (Bunny Urasawa)] Onsen e Ikou! | Let's Go to Hot Springs! (Saiyuki) [English] {Obsession}