Hentai Manga like Iinchou no Himitsu: Itta Kaisuu ga Barechau Sekai

Overflow

Also known as My Brother's Slipped Inside Me in The Bathtub.

Status: Releasing
Genres: Drama , Hentai , Romance

"Can't... keep my... voice down." Nii-chan thrusting in me again and again. We shouldn't be doing this as siblings... so, why does it feel this good...?



Volume 1: Overflow: Iretara Afureru Shimai no Kimochi (おーばーふろぉ〜挿れたら溢れる姉妹のキモチ〜)
Volume 2: Overflow: Toaru Kyoudai no Kindan Seikou (おーばーふろぉ〜とある兄妹の禁断性交〜)
Volume 3: Overflow: Atsuku Majiwaru Shimai no Taboo (おーばーふろぉ〜熱く交わる姉妹のタブー〜)
Volume 4: Overflow: Nagisa ni Matsuwaru Shimai no Fushidara (おーばーふろぉ～渚にまつわる姉妹のふしだら～)
Volume 5: Overflow: Uzuku Shimai to Higawari Seikou (おーばーふろぉ ～疼く姉妹と日替わり性交～)
Volume 6: Overflow: Nozoku Shimai no Seiai Jijou (おーばーふろぉ～覗く姉妹の性愛事情～)


Notes:
Originally serialized as a web manga under the title Jitsu wa Ima Haittemasu....: Ofuro de Onii-chan no Katai Are ga... (実は今入ってます…。お風呂でお兄ちゃんの硬いアレが…っ).
Simultaneously released in long-strip format for mobile reading with each chapter split into 3 ‘episodes’.

Asoko Araiya-san!

Also known as Traditional Job of Washing Girl's Body.

Status: Releasing
Genres: Comedy , Drama , Hentai , Romance

Male student Sota Tsukishima begins working at his family's public bathhouse as a back washer. While concealing her true identity, Sota's classmate Aoi Yuzuki visits the bathhouse. A relationship between the two begins to develop when Sota washes Aoi's back.

Volume 1: Asoko Araiya-san!: Ore to Aitsu ga Onnayu de!? (アソコ洗い屋さん！〜俺とアイツが女湯で!?〜)
Volume 2: Asoko Araiya-san!: Shower-shitsu de Nureru Honnou (アソコ洗い屋さん！〜シャワー室で濡れる本能〜)
Volume 3: Asoko Araiya-san!: Sukidarake no Naka ni Sosoide (アソコ洗い屋さん！〜好きだらけのナカに注いで〜)
Volume 4: Asoko Araiya-san!: Hekigan Girl to Ikasekko (アソコ洗い屋さん！～碧眼ガールとイカせっこ～)
Volume 5: Asoko Araiya-san!: Biyaku de Mezameru Kyuuai Shoudou (アソコ洗い屋さん！～媚薬で目覚める求愛衝動～)
Volume 6: Asoko Araiya-san!: Danjo ga Sakaru Rankou Onsen (アソコ洗い屋さん！～男女がサカる乱交温泉～)
Volume 7: Asoko Araiya-san!: Haitoku Mamire no Bath Time (アソコ洗い屋さん！～背徳まみれのバスタイム～)

Notes:
Originally serialized as a web manga under the title Asoko Araiya no Oshigoto: Kataomoi Chuu no Aitsu to Onnayu de (アソコ洗い屋のお仕事〜片想い中のアイツと女湯で〜).
Simultaneously released in long-strip format for mobile reading with each chapter split into 3-4 ‘episodes’.

Ijirare: Fukushuu Saimin

Also known as Bullied ~Revenge Hypnosis~.

Status: Finished
Genres: Hentai

Tasaki is caught peeking by a group of gals who use the evidence to blackmail him into becoming their slave. One day Tasaki manages to hypnotize his masters. And so his revenge begins.


Ijirare ~Fukushuu Saimin~ #1 (イジラレ ～復讐催眠～ #1, Bullied ~Revenge Hypnosis~); Comic X-Eros #53
Ijirare ~Fukushuu Saimin~ #2 (イジラレ ～復讐催眠～ #2, Bullied ~Revenge Hypnosis~ #2); Comic X-Eros #55
Ijirare ~Fukushuu Saimin~ #3 (イジラレ ～復讐催眠～ #3, Bullied ~Revenge Hypnosis~ #3); Comic X-Eros #61
Ijirare ~Fukushuu Saimin~ #4 (イジラレ ～復讐催眠～ #4, Bullied ~Revenge Hypnosis~ #4); Comic X-Eros #63
Ijirare ~Fukushuu Saimin~ #5 (イジラレ ～復讐催眠～ #5, Bullied ~Revenge Hypnosis~ #5); Comic X-Eros #66
Ijirare ~Sai Shuushou Zenpen~ (イジラレ ～最終章前編～, Bullied ~Final Act Part 1~); Comic X-Eros #70
Ijirare ~Sai Shuushou Chuuhen~ (イジラレ ～最終章中編～, Bullied ~Final Act Part 2~); Comic X-Eros #73
Ijirare ~Sai Shuushou Kouhen~ (イジラレ ～最終章後編～, Bullied ~Revenge Hypnosis~ Finale); kakioroshi, Comic X-Eros #74
Ijirare ~Epilogue~ (イジラレ ～エピローグ～, Bullied ~Revenge Hypnosis~ Epilogue); kakioroshi

Note: There are 2 store exclusive bonus chapters of 8 pages each one:
A chapter of Sae Hinata with the purchase in Toranoana (とらのあな).
A chapter of Minako Sanada with the purchase in Melonbooks (メロンブックス).

Saimin Seishidou

Also known as Hypnotic Sexual Counseling.

Status: Releasing
Genres: Hentai

Saimin Seishidou 1 Obata Yui to Tachibana Daiki no Baai (催眠性指導1 小幡優衣と橘大貴の場合), Comic Market 90
Using hypnosis, Tanaka appoints himself the school's Sexual Counselor, in charge of training the girls of his school how to have sex, all while their boyfriends are watching!

Saimin Seishidou 2 Kurashiki Reina no Baai (催眠性指導2 倉敷玲奈の場合), Comic Market 91
Tanaka's adventures continue as he uses his talents to bring Reina, one of the most popular girls at his school, down a peg or two!

Saimin Seishidou 2.5 Keika Kansatu (催眠性指導 2・5 経過観察), COMIC1☆11
This busty blonde is looking to get better at sex for her boyfriend, and what better way then to engage in some "sexual counseling" in the men's bathroom for a crowd. Wait, isn't this just sex? N-No, that can't be...

Saimin Seishidou 2.75 Taiken Shidou (催眠性指導 2.75 体験指導), Comic Market 92
Tanaka generously offers to train even the girls who lack boyfriends, indulging in a variety of girls and teaching them about sex.

Saimin Seishidou 3 Miyajima Sakura to Kase Masafumi no Baai (催眠性指導 3 宮島桜と加瀬正文の場合), Comic Market 93
Tanaka's attentions turn to Sakura Miyajima, president of the kendo club, who begs him to teach her how to get pregnant!

Saimin Seishidou 4 Ninshin Taiken Shidou (Shi) (催眠性指導 4 妊娠体験指導(試)), Comic Market 94
Continuing from the events of Hypnotic Sexual Counseling 3, self-elected school sexual counselor Hajime continues his pursuit of Sakura by persuading her to prepare herself for a future of childbearing. When it comes to the point that he is even brought to Sakura's house in order to update her parents on their daughter's progress, Hajime begins to get ideas on his next target after seeing an all-but-alluring Mrs. Miyajima.
NOTE: This is the first part of two in the fourth installment to the mainline stories of the Hypnotic Sexual Counseling series.

Saimin Seishidou Kurashiki Reika no Baai (催眠性指導 倉敷麗華の場合), Comic Market 95
Reina's mother, Reika, is displeased to fine her daughter fraternizing with the self-proclaimed sexual guidance counselor, Hajime. More than simply unimpressed with his general appearance, Reika doubts his capabilities in sex in general, and so decides to test him through a physical show of prowess. Needless to say, Hajime is more than up for the challenge, but will he be able to meet Reika's strict expectations?

Saimin Seishidou Nozaki Yuu no Baai (催眠性指導 野崎悠の場合), COMIC1☆15
Her name is Yuu Nozaki, the so-called "Sleeping Beauty" of the academy. Her nonchalance and grace belie her sloth-like attitude towards life. With this in mind, self-proclaimed school sexual counsellor Hajime Tanaka takes it upon himself to instruct the unassuming Yuu regarding the pleasures of sexual intercourse and what makes sexual relationships so great.

Saimin Seishidou 4: Ninshin Taiken Shidou (催眠性指導4 妊娠体験指導); Comic Market 96
Hajime Tanaka isn't done with the women of the Miyajima household, this time hypnotizing both mother and daughter to take part in his twisted scheme of teaching Sakura what it means to become pregnant. Using her own mother, Tsubaki, as a visual aid, Tanaka proceeds to inseminate both mother and daughter in the awesome conclusion of the fourth chapter of the Hypnotic Sexual Counseling series.

Saimin Seishidou Obata Natsumi no Baai (催眠性指導 小幡夏美の場合); Comic Market 97
Hajime Tanaka visits the house of Yui Obata, only to be informed by her mother, Natsumi Obata, that she is out for the day. Good thing Tanaka's real purpose for visiting was to supplement his Sexual Counseling services for Yui by "examining" her own mother. It's all-in-a-day's work for our resident hypnotic sexual counseling expert as he adds yet another mother to his growing collection of women.

Saimin Seishidou 5 Hiiragi Suzuka (催眠性指導5 柊鈴香)

Nudist Beach ni Shuugaku Ryokou de!!

Also known as The Nude Beach Field Trip!!.

Status: Finished
Genres: Hentai

Oh, to be on a nude beach with a harem of all your classmates! Another legendary story from Shiwasu no Okina, this title tells you exactly what you’re going to get!

Saiin! Zenra-jima

Status: Finished
Genres: Hentai

Kengo Inada, a third-rate businessman, is assigned to the isolated island of Maera Island in the middle of the ocean! However, the island is a "nude island" where all the inhabitants have full pussy! There are 3,000 girls on the island and only one man, Kengo! The island's girls are all over Kengo's dick after not seeing a man for a long time! Moreover, the island is covered with a lewd plant called "mammoth", which keeps both the girls and Kengo in heat 24 hours a day! Kengo is now living as the only "seed man" on the island, but there is a secret to this island! What is it?



Note: Published in Comic Mugen Tensei 2021-02, 04, 06, 08, 10, 12

Gokujou!! Harem-kan

Status: Finished
Genres: Hentai

1-6. Mugen Harem (むげんハーレム)

Note: Published in Comic Mugen Tensei 2018-01, 03, 05, 07, 09, 11

Sweethearts

Status: Finished
Genres: Hentai , Romance

1-4, 10. Sweethearts ; Comic Hotmilk 2010-04, 06, 08, 12, kakioroshi
Akane likes Sasano, but cannot get herself to confess. Shirashi is Akane's best friend, and also likes Sasano. Sensei has a special sex ed class to try and get the students to couple up, but Sasano ends up with both Akane and Shirashi. It is sex all over the school from there, as Akane and Shirashi compete for Sasano's affection. One day Sasano realizes this can't go on, but he can't decide between them...that's when the girls show up a his door together and confess to him. So much for taking time to think about it: what will Sasano do?

Immoral Girl; Comic Hotmilk 2009-06
The poor student body president is having illicit fantasies, after hearing the confession of a boy in her school.

6-7. Misukon Kyousoukyouku (ミスコン狂想曲); Comic Hotmilk 2009-02, 2010-02
Clubs campaign for votes in a school festival beauty contest, since there is a rumor it effects club budgets.

Koukishin ga Tomaranai (好奇心が止まらない); Comic Hotmilk 2009-08
Taichi confesses to Asuka, but is turned down. While he cannot be her boyfriend, as she is engaged, he could be her sex friend. Will he take the job?

DOKIDOKI Kousai Checker (DOKIDOKI交際チェッカー); Comic Hotmilk 2009-12
Satonaka's grades have been going down. He seems troubled by something, so his homeroom teacher tries to get him to let her help. It turns out that Satanoka has no luck in love. Every girl he falls for starts seeing someone before he can confess. What's worse, is that there is a site that shows who is dating who in his school, and he is the lonely blank spot. Feeling sorrow over his broken heart, she offers to date him...but is she ready for all that entails?

Sukinashi Joshi, Hatsu Deisui nochi Suikan Time

Also known as Serious Lady Loosens Up When Drunk.

Status: Releasing
Genres: Hentai , Romance

Her sleeping body accepts me in throbs as I lick her down there... I can't believe I'​m making my model boss so flustered.



Note: Originally serialized as a web manga under the title Uso, Watashi Ima Ikasareru...: Sukinashi Joshi, Hatsu Deisui nochi Muboubi Time (嘘、私今イカされてる…っ～隙なし女子、初泥酔のち無防備タイム～), with each chapter split into 3 ‘episodes’.

Jimihen!!

Also known as Simple Yet Sexy.

Status: Releasing
Genres: Drama , Hentai , Romance

The usually quiet girl is moving her hips on her own... Asking me to go deeper... Letting me do whatever I want... This side of her only I know... I want to see more of it.



Volume 1: Jimihen!!: Jimiko wo Kaechau Jun Isei Kouyuu (じみへんっ！！～地味子を変えちゃう純異性交遊～)
Volume 2: Jimihen!!: Jimiko ga Torokeru Dekiai Seikou (じみへんっ！！～地味子がトロける溺愛性交～)
Volume 3: Jimihen!!: Jimiko mo Midareru Zecchou Seikou (じみへんっ！！～地味子も乱れる絶頂性交～)
Volume 4: Jimihen!!: Jimiko ni Himitsu no Haitoku Onsen (じみへんっ！！～地味子に秘密の背徳温泉～)

Notes:
Includes 4 extra chapters.
Originally serialized as a web manga under the title Jimiko wa Igai ni Erokatta (地味子は意外にエロかった).
Released in long-strip format and subsequently sold in traditional format.