[KENIX (Ninnin!)] Get the Sword Named "Soul Edge" (Soulcalibur)
[Agata] Dai Rankou! One Shota Onsen ~Ofuro de Yaritai Houdai~
KemoMimi Onsen e Youkoso Ver1.1 | Welcome to KemoMimi Onsen Ver1.1
Bitch Treat
(COMITIA102) [Pintsize (99AJ)] Kairaku Onsen Iyarashi no Yu Mure Mure Sauna hen
[Hidemaru] Zokkon! Boin Onsen | Boing Boing Onsen Vol. 1 [English] {Tadanohito}
[Itou Nanami] Like a Lovedoll ~Dakara, Nandemo Shite Ageru~ | Like a Lovedoll~所以說、無論什麼要求都可以~ [Chinese] [Digital]
[yogurt (bifidus)] Furin Takuran Onsen - Sakaki Taeko-san no Hinichijou Zouhoban [Digital]
(C95) [Jun&Yuri (Yuriko)] Tamamo to Onsen Ryokou (Fate/Grand Order)
[Rokumonsen (Tamahagane)] Roshutsu Shoujo Itan [Digital]
(C91) [sayryu (sayryu)] Oshiego to kōbi mokuteki no onsen ryokōniiku-banashi
Souryo to Majiwaru Shikiyoku no Yoru ni... 3
(C83) [cherry*pepper (Yukian)] Maou to Yuusha ga Onsen de (Maoyuu Maou Yuusha)
[Shinchara (YO-JIN)] B:CLA Nagisa Rinkan Ryoujoku Onsen (Clannad) [English] [Zero Translations] [Digital]
Haha Netori 4 Mama Tenchou, Onsen Ryokou Noukou H-hen
(Kouroumu 6) [BlueMage (Aoi Manabu)] Myourenji Nurunuru Onsen (Touhou Project) [English] [CGrascal]
Leona - week 2 - "dreams"
(C82) [P-ME (Sakai Ringo)] Hinato to Iku ♥ 1-Paku 2-Ka no Onsen Ryokou
(C63) [lilisyuka (Satou Takahiro)] Ivy wo Isshou Tanoshimu Hon (Soul Calibur) [English]
(C89) [ReDrop (Miyamoto Smoke, Otsumami)] Cinderella, Mousou Kareshi Onsen-hen (THE IDOLM@STER CINDERELLA GIRLS)
[Circle Eden (Diisuke)] Dopyu! Marugoto Ninshin Shojyo darake no Konyoku Onsen (Touhou Project) [English] {doujins.com} [Digital]
Onsen Mash
[Amahara Teikoku (Amahara)] Teisou Gyakuten Sekai Konyoku Onsen [Digital]
Anthology - Tsujigiri Onsen - Onyoku Burabura Shounen Bibouroku Volume 3
(C83) [TwinBox (Sousouman, Hanahanamaki)] Aisai to Onsen Ryoko | A Trip to the Hot Springs with My Beloved (Sword Art Online) [English] =TV=
[Kleitos (Ryunosuke)] Sawa-chan to Kissuisou Ittari Onsen Haittari (TARI TARI, Hanasaku Iroha) [Digital]
(COMIC1☆13) [Kappa Yousai (Kapa)] Yukki to Onsen Ryokou (THE IDOLM@STER CINDERELLA GIRLS)
(C94) [Tekokids (Leonard 16sei)] Enkou Rock 'n' Roll Fever (Hinamatsuri)
(C71) [Acchicchi (Kanegae Shouko)] Souda, Onsen Ikou. (Katekyo Hitman Reborn)
Ore to Anta no Naishogoto
(C93) [Moe Hime Rengou (xin, obiwan)] FGO Carnival 13 Onsen Ecchi Heaven's Feel (Fate/Grand Order)
[Cannabis (Shimaji)] Kyou wa Onsen Sex wo Shimashita [Digital]
(C88) [Tekokids (Leonardo 16sei)] Tsuyu Biyori (My Hero Academia) [English] [Platypus Translations]
COMIC Anthurium 024 2015-04 [Digital]
(SC2016 Winter) [RM-RF-* (Masago)] Musashi-san to Atsuatsu Onsen Love (Kantai Collection -KanColle-)
(C81) [Natakuga-Yuku! (Xanadu)] Liguria no Hitomi (Muv-Luv Alternative: Total Eclipse) [Incomplete]
[Muchakai (Mucha)] Chii-chan Kaihatsu Nikki Bangai "Onsen Swapping" Hen
(C74) [Kamidake Onsen (Kajishima Masaki)] Ianryokou Toujitsu No Yoru 9 (GAP☆P)
[Maomi Leon, uroco] Souryo to Majiwaru Shikiyoku no Yoru ni... 5
[Onsen Mikan] Omorashi Kouseijuku ~Yuutousei no Shikkin Kuse o Naosu Tokkun Hajimemashita~ Ch. 1 + Bangaihen [Chinese] [柠檬茶汉化组]
[Shyo Chiku Bai (Otakehiko)] Azunyan to Onsen Itte Ichaicha Suru (K-ON!) [Digital]
(C82) [Inyu-goya (Inyucchi)] Moriya Onsen Monogatari (Touhou Project)
(Ryonaket 7) [Sugareya Shouten (Sugaleon)] 1783-nen Alexandria nite (Fate/Grand Order)
(C93) [Tekokids (Leonardo 16sei)] Gomen ne Yuusha-sama (Mahoujin Guru Guru)
(C94) [GreenHouse (Uno Ryoku)] Kaihouteki Onsen Abby (Fate/Grand Order)
(C95) [angelphobia (Tomomimi Shimon)] Futari dake no Onsen de Nero to Icha Pako (Fate/Grand Order)
[Hanamura Torirou] Nuku Nuku Onsen Oa Sisters 2
(C83) [Desuno!! (Fuyuwa Kotatsu)] Moriya-san-chi no Onsen Jijou (Touhou Project)
Toumei Mob Oji-san no Onsen Kairaku Massage
(Shotaket 12) [Tokuda (Ueda Yuu)] Onsen Ryokou ni Ikimashita. [Chinese]
Usagi Onsen
[Manoou Noguchi Eigyou Nika (Buraindogatei)] Tomo Mama 4 -Bakunyuu Tomo Mama to Namadashi Onsen Ryokou- [Digital]
生化危机:终结
Souryo to Majiwaru Shikiyoku no Yoru ni... 5
[Tenma Femio] Yokkyuu Fuman no Hitozuma wa Onsen Ryokan de Hageshiku Modaeru 01-13 [Digital]
[Aoi Hitori] Hitozuma Kanochi Onsen
Yarechau Onsen Ryokan | Doing it at a Hotspring Hoe-tel
Otoko no Kazu ga 10-bun no 1 ni Natta Sekai de Shitai Houdai 2
[Tekokids (Leonardo 16sei)] Saimin Watch | Hypno Watch (Youkai Watch) [English] =LWB= [Digital]
Koseiteki na Taishitsu no Shota to Ecchi Suru Hanashi
[Nightmare Express -Akumu no Takuhaibin-] Yokubou Kaiki Dai 291 Shou -Full Ero Panic! Eroffu Onsen Ryokan Yobai Hen + Alpha- (Full Metal Panic!) [Chinese] [有条色狼汉化]
Raihan and Leon Secret
[Yokazetei (Narukami Ginryu)] Murasame to Onsen Ryokan (Kantai Collection -KanColle-) [Digital]
(C61) [Naniwa Onsen Tamago Kumiai (Katsumi Kouichi)] G's style Type-Imouto III (Sister Princess)
(SC32) [2B (MANA-KO, Tonami Muka)] Ryouzanpaku Onsen 2 (Shijou Saikyou no Deshi Kenichi)
[Hitori Jozu (Hitori Jozu)] Kyouko-chan to Iku Ippaku Futsuka Onsen Ryokou (Puella Magi Madoka Magica) [Digital]
(C89) [Tekokids (Leonardo 16sei)] Aldora-tan no Okozukai Kasegi (Granblue Fantasy)
[Crimson Comics (Crimson)] Shinyuu no Kareshi ni Okasareta Watashi ~Onsen Ryokan Hen~ [Chinese]
(C86) [Circle Eden (Diisuke)] Dopyuu! Marugoto Ninshin Shojo darake no Konyoku Onsen (Touhou Project) [Chinese] [八十万禁书教头汉化]
(HaruCC20) [MICROMACRO (Yamada Sakurako)] Tama ni wa Onsen demo. (Haikyuu!!)
Answer
Ano! Okaa-san no Shousai ~Onsen Ryokou Hen~ Oh! Mother's Particulars! ~Hot Spring Vacation Edition~
(C86) [Yachu Onsen (Yuuta)] Aigan Tenshi - Love Doll Angel (No Game No Life)
[Tanuking Sleep (Dorachefu)] Chijo Risu Koubi Onsen (BLAZBLUE) [Sample]
Yami-chan no Wakuwaku Onsen Tengoku
Muku Kanojo to Mayonaka Sanpo
Ryokou, Kanojo to Onsen de
(THE iDOLM@NIAX 7) [Ashima Sandou (Ashima Takumi)] Kaede-san to Iku Onsen Ryokou (THE IDOLM@STER CINDERELLA GIRLS)
[Aoi Hitori] Onsen Okami Netorare Hiwa Scene 2 (Web Comic Toutetsu Vol. 3) [Digital]
[Eruapo Gundan (Kurabayashi)] Inran Chie-chan Onsen Daisakusen! 3 (Persona 4) [Digital]
RE-EX Sachiusui Bokukko ga Shiawase? Ni Naru Made no Hanashi 2
nymphomania 7.1 Leona Rinkan 2
Daisukidakara Daijoubu!
(CCOsaka92) [Mochimochitaiyo (Morita Mochikichi)] Ore to Anta no Naishogoto (Rune Factory 4)
(C91) [Kawaraya Honpo (Kawaraya A-ta)] Pokapoka Onedari Onsen (Neon Genesis Evangelion) [English] [Redlanterntls]
[Negibouzu (Yoshida Negi)] Shunshin Onsen (Bleach)
(C86) [Milkshake Work (Milkshake)] Dai Roku Kuchiku Onsen Yokujou (Kantai Collection -KanColle-) [Chinese] [CE家族社]
(C87) [Etoile Zamurai (Yuuno)] Suki Suki♡ Leona-kun (PriPara)
[Rokumonsen (Tamahagane)] Roshutsu Shoujo Itan 9 Hen [Chinese] [朔夜汉化] [Digital]
(C81) [Mimizuku. (Leon no Neko)] Touhou Wan-Nyan Hatsujouki!! (Touhou Project)
[Panda 4gou (Shimaki Yousuke)] Leon ga Uke na Hon (Quiz Magic Academy) [English] [Leafkun] [Digital]
(Reitaisai 11) [TUKIBUTO (Chameleon)] Flandre Hen (TOUHOU RACE QUEENS COLLABO CLUB -SCARLET SISTERS-) (Touhou Project) [English] [sureok1]
(Kouroumu 10) [Cat Expert (Nekousa)] Chen to Issho -Onsen mo Issho- (Touhou Project)
(C93) [Iwamanga Honpo (Iwaman)] Tryad Shippori Onsen Futsukame Shiburin Nao no Asadachi Sex!! (THE IDOLM@STER CINDERELLA GIRLS)
[Tsujigiri Onsen] Onyoku Burabura Shounen Bibouroku 4
Ivy Kanraku
Senju Muramasa to Kossori Kita Onsen Ryokan de Uwaki Ecchi suru Hon
(Reitaisai 10) [Shigure Ebi (LeftHand)] Hina chan to Onsen de Renshuu shitai!!! (Touhou Project)
Onsen Shimai to Yakyuu Buin ~Mikka Miban no Settai Gasshuku~
(SUPER20) [Akareshina, Onsen (Hidaka Naruse, yoha)] M-yasu-sama to no Souguu (Sengoku Basara)
Raphael to no Onsen Shippori
[Rokumonsen (Tamahagane)] Roshutsu Shoujo Itan Juppen [Chinese] [CE家族社] [Digital]
[OUTFLOW (Hariyu)] My sweet the Vanguard! (Cardfight!! Vanguard) [Digital]
[Koshigerunasunibusu] WEB Sairoku [R18G] 'shed' Ishimaru Takaaki × Kuwata Reion
Onsen Ryokou 2 | Let's Go To The Hot Springs 2
[Electric_Dragon] Leona ★ Heroes - League of Legends Fan Book (League of Legends) [English]
(C89) [Zettai Shoujo (RAITA)] Zettai Junpaku Mahou Shoujo Yukata de Doki! Motto Onsen e Ikou!
Harenchi Vacation
Hangyaku Onsen | Reverse Onsen
[Haitoku Sensei] Ano! Okaa-san no Shousai ~Onsen Ryokou Hen~
[Tekokids (Leonardo 16sei)] Saimin Watch | 催眠手錶 (Youkai Watch) [Chinese] [臭鼬娘漢化組] [Digital]
(C91) [Tsuki no Uragawa (Romi)] Kanade-san, Onsen ni Issho ni Hairimasenka | Kanade, Shall We Take A Bath? (THE iDOLM@STER CINDERELLA GIRLS) [English] [Sexy Akiba Detectives]
(C88) [S.S.L (Yanagi)] Rider-san to Onsen Yado. Sonogo (Fate/stay night)
[Enji (Gen)] Onsen Ryokan de Anya to XXX Suru Hon (THE IDOLM@STER CINDERELLA GIRLS) [2018-05-10]
(C92) [Takoyaki-batake (Takoyaki Yoshi)] Ro-chan to Onsen Ryokan de Shippori to de Sutte (Kantai Collection -KanColle-) [Chinese] [無邪気漢化組]
Hold My Hand
(COMIC1☆10) [Tololinco (Tololi)] Ushio no Onsen Kuchikukan (Kantai Collection -KanColle-)
(Reitaisai 11) [Tonpuuratei (Saemon)] Iku-san to Onsen de Ichaicha Shitai!! (Touhou Project)
[Rokumonsen (Tamahagane)] Roshutsu Shoujo Itan Juppen [Digital]
Imouto no Kareshi ni Okasareta Watashi ~Onsen Ryokan Hen~ | Raped By My Friend's Boyfriend ~Hot Springs Inn Sequel~
(Reitaisai 12) [KINOKONOMI (konomi)] Satori-chan ga Osananajimi dattara -Yukemuri Konyoku Onsen Hen- (Touhou Project) [Chinese] [CE家族社]
[Tenma Femio] Yokkyuu Fuman no Hitozuma wa Onsen Ryokan de Hageshiku Modaeru 01-08 [Digital]
[Agata] Oneshota Onsen Ch. 1 (COMIC Shingeki 2014-07) [English] [vaasi]
(C82) [Nonsense (em)] BLUE ECLIPSE (Fate/stay night) [Chinese]
(C91) [Engoutenma (yuto)] Twintail Onsen de Taiganjouju (Ore, Twintail ni Narimasu.) [Chinese] [脸肿汉化组]
(C81) [Natakuga-Yuku! (Xanadu)] Liguria no Hitomi | Eyes of Luguria (Muv-Luv Alternative: Total Eclipse) [English] =Pineapples r' Us= [Incomplete]
(C83) [Circle Eden (Diisuke)] Onsen de Boin-Boin Aneki-tachi ni Bokki wo Misetsukeru Hon (Touhou Project) [English] {desudesu}
Yukki to Onsen Ryokou
Kasshoku Nyuutou Onsen kyou Kodakara Kigan Jouju
(C88) [Hinareya (Onsen Panda)] Million Days (The IDOLM@STER MILLION LIVE!)
Leona to Nandakanda Eroi Koto Suru Dake no Rakugaki Bon
Unknown Category
[Amazake Hatosyo-ten (Yoshu Ohepe)] Batsuichi Body Shinobu-san Onsen Ryokou de Ippaku Hen [Digital]
(C92) [Jisyakunyudo (Hayuta)] Sekai ga Heiwa ni Natta node Astolfo to Onsen Ryokou ni Ikimashita (Fate Grand Order) [English] [mysterymeat3]
(Reitaisai 11) [Tonpuuratei (Saemon)] Iku-san to Onsen de Ichaicha Shitai!! | I Want to Flirt With Iku-san at the Hot Spring!! (Touhou Project) [English] {doujin-moe.us}
Musashi-san to Atsuatsu Onsen Love
[Shunjou Shuusuke] Keibo Roten | Stepmom in Open Air Onsen (COMIC Mugen Tensei 2016-07) [English] [desudesu]
[Shiozake (Nakazawa)] Yellow*3 (Cardfight!! Vanguard)
(C86) [Funikigumi (Yurikawa)] Kotori-san to Onsen (THE iDOLM@STER)
[Otokonoko to Onnanoko (Sasaki Saki)] Akogare no Senpai ni ~Akogare no Onsen Ryokou! (Kouhen)~
[Aimaitei (Aimaitei Umami)] Yurio ga Onsen de Yu Atari Shite Mob Oji-san-tachi ni Ecchi na Kaihou o Shite Moratta Toki no Hanashi (Yuri on Ice) [Digital]
[7 Men Zippo (Kamishima Akira)] Onsen Ryokou | Hot Springs Trip (Katekyo Hitman REBORN!) [English] [Lady Phantomhive]
(C94) [Lo likyo NEW! (Enu-yamayama)] Shippori Raikou Mama Oppai Onsen (Fate/Grand Order)
[Juicy Fruits (Satomi Hidefumi)] Bou Onsen Ryokan Juugyouin Toilet Tousatsu (Hanasaku Iroha)[Digital]
Artoria-san to Onsen de
[Kichiku Koubou] Onsen Okami Kegasareta Juku Anal
[Maomi Leon, uroco] Souryo to Majiwaru Shikiyoku no Yoru ni... 9
[Pâtissière (Keirei)] KaeMiyu ga Onsen de Shippori Suru Yatsu (Onsen Ippaku Nihonshu Ippai) (THE IDOLM@STER CINDERELLA GIRLS) [Digital]
[Hy-dou (Hyji)] Kinjo Yuuwaku Godou Onsen Ryokou Hen [Chinese] [丧尸×无毒汉化]