What Research Prove That Usi

A Story of a Shounen and the Onee-san That Appears at That Restroom

[Mozukubotan (kuromusi)] Otoshigoro Senki (Senki Zesshou Symphogear) [Digital]

Exclusive Locker Room

Action Pizazz DX 2014-04

Hey! It is said that I urge you mother and will do what! ... mother Hatsujou - 1st part

Action Pizazz DX 2013-04

[Kemusi no Bansan Kai] Musuko no Tamenaraba -Haha Fumizuki no Ketsui-

Otto ni Naisho de Ajimi Shite 1 | 背着老公偷偷尝味道 1

Action Pizazz DX 2014-09

Eigyou Monzetsu 24-ji! | Business Blackout 24 hours!

[Borusiti] Takizawa Natsuki no Pan Matsuri | Takizawa Natsuki's Bun Festival (HotMilk Festival All Star Comic 2) [English] [Digital]

[Jyuuji] Hameta Tsumori ga Hamerareta!? ~Neteiru Guutara Juushi ni H na Itazura~ | I Thought I Fucked Her, But She Set Me Up Instead!? ~A Lewd Prank On My Sleeping Lazy Cousin~ Ch. 1 (COMIC Ananga Ranga Vol. 30) [English] {Hennojin}

WEB Ban COMIC Gekiyaba! Vol. 45

(C83) [Yorando (Sugi G)] Moshikato Moshimo Cattleya-san ga Tonari ni Hikkoshite Kitara... | What if... Lady Cattleya moved in next door... (Queen's Blade) [English] [kohakuismaiwaifu]

[Imuneko] Kaze no Tani no Nausicaä 2020 Torumekia-hei ni Yoru Kyousei Haramase (Nausicaä of the Valley of the Wind) [Decensored]

[Kemusi no Bansan Kai] Saiai no Haha -Kaihatsu Sarete Iku Shizue- 2 [Digital]

(Reitaisai 6) [Midoriya (Ryokusiki)] Onigokko! (Touhou Project)

[Takahashi Note] Jiyuukenkyuu | Independent Research (COMIC LO 2015-11) [English] {5 a.m.}

Action Pizazz 2023-06

[usi] Tonari no Hitozuma Ooya-san Ch. 8-18

(C94) [Yakinikuya Yusi (Akisawa Yusi)] DeliHeal Mosaic (Kiniro Mosaic) [Chinese] [靴下汉化组]

(C82) [Animal Passion (Yude Pea)] Sagashimono wa Nan Desu ka | What Is It That You Are Looking For (Touhou Project) [English] {pesu}

(C78) [Draw Go (Souichi)] Tokumei Research 1999 ~ Maya-chan Shinsou Kaimei File ~ (Occult Academy)

Confusion 2

Futa Sora x Exusiai + 2pics giveaways

[Warabimochi] Heroine Harassment great Madame Yuubari Yuno

Action Pizazz 2019-11

Action Pizazz DX 2015-11

[usi] Himitsu no Kissaten [Digital]

[Corundum] Melu-ko Nanka ni Zettai Makenai Master Master that in any chance don't wanna lose to someone like Melu-ko (Fate Grand Order) [English] {CNNY}[Colorized]

Kanojo ni Shiyou!!

Action Pizazz DX 2016-10

[Inomaru] Itoko Shuurai - Cousin to Attack | Attack on Cousin (COMIC Mugen Tensei 2015-11) [English] [TripleSevenScans]

[Akatsuki Akaza Dou (Fusisya O)] Neko Nabe! | Kitty Pot! [English]

Kamiyama Koukou Omanko Kenkyuukai Katsudou Kiroku | Kamiyama Highschools Vagina Research Society Activity Record

[Hayo-Cinema (Etuzan Jakusui)] B.S.S.² - My Smart, Beautiful Childhood Friend That I Loved First Became an Assistant of an Upperclassman’s Club and He Did Whatever He Pleased to Her [Digital] [ENG] =White Symphony=

[Koboshi no Niwa (Koboshi)] Shuudan Haramashi Yuuhei Shussan Bakunyuu Fate Saber (Arthur-ou) | The Huge Breasted King Arthur (Fate/Stay Night) [English] =LWB=

Chijo-nee to! Himitsu no Hara Hara Seikatsu | Living With my Whorish Cousin Our Secret Sex Life

Action Pizazz 2014-02

[katuobusi (mekeke)] EUPHORIA (SHUFFLE!)

Omoi Kata sono Toki | What We Thought At That Time

(C83) [Fusions (h_o_t_cat)] Pet na Kanojo wo Choukyou Shite Mita (Sakurasou no Pet na Kanojo)

[Hiro no Ke (Hiro Hirono)] A Younger Stepsister Who Only Has Sex With Me on Days That are Divisible by 3 or on Days That Include The Number 3. [English] [HeatManga]

(C67) [Heppoko Housing 2004 (Heppoko-kun)] RAKUGAKI NOTE vol.15 (Higurashi no naku koro ni)

(CSP4) [KURUBUSI-KAI (Dowarukofu, Shinshin)] Royal Milk Doll (Rozen Maiden) [English] [Decensored] {Lust no Fansub}

Sore wa Nante Seishun 0.5 | What a youthful time of life 0.5

Kimi to no LOVE Lesson

[Bochi Bochi no Ki (Borusiti)] Kasen-chan ga Seiga-san ni Kawaigarareru Hon (Touhou Project) [Digital]

[Rokuroichi] Watashi to Sekai o Tsunagu Mono | What Ties Me to the World (Onnanoko x Onnanoko Collection 3) [English] [Bunny Love, Incorporated]

Giji ja Nai Yatsu o Shite Kureru Itoko no Bakunyuu Gradol Onee-chan | My Busty Gravure Idol Cousin Does More Than Softcore

(C90) [Fusionz (Kanden Sky)] Kanmusu no Kyoubu Soukou ga Sukeru Megane (Kantai Collection -KanColle-)

Action Pizazz DX 2014-02

(COMIC1☆14) [KURUBUSI-KAI (Dowarukofu)] Hakushi no Madousho ni Kakikonde Mita (BLAZBLUE)

Fellatio Kenkyuubu | Blowjob Research Club

(C95) [Fusionz (Hyper Battle Chimpanzee)] Kanmusu no (Kyoubu) Soukou ga Sukeru Megane 4 (Kantai Collection -KanColle-)

[Minazuki Mikka] Musuko o Dame ni Shita no wa Watashi no Karada deshita. | What Made the Son Useless was his Mother's Body [English] {forbiddenfetish77}

Fellatio Kenkyuubu - Fellatio Research Department

Action Pizazz DX 2017-05 [Digital]

[Yuna] Binbin ni Naru Tsubo Oshichatta!? ~Toshishita Otokonoko no "Are" de Gyaku Massage | I Hit A Pressure Point That Makes Him Hard?! ~A Reverse Massage Using a Younger Boy's Thing~ [English] [CulturedCommissions]

[Inoue Kiyoshirou] Itokoto! | Cousincident! (COMIC HOTMiLK 2009-06) [English] {rabbitrevelry}

(C93) [Fusionz (Kanden Sky)] Kanmusu no Kyoubu Soukou ga Sukeru Megane Vol. 3 (Kantai Collection -KanColle-)

(C92) [Fusionz (Kanden Sky)] Kanmusu no Kyoubu Soukou ga Sukeru Megane Vol.2 (Kantai Collection -KanColle-)

Action Pizazz 2022-05

(SC2016 Summer) [KURUBUSI-KAI (Shinshin)] FutaNatori (Kantai Collection -KanColle-)

Action Pizazz DX 2017-02 [Digital]

[Himawari no Tane] OneBoku Torotoro Numa Sex | Consumed by my sexy cousin [English] [JashinSlayer]

[Inomaru] Boku to Itoko no 7-kakan Sex | Seven Days of Sex with Cousin (COMIC Mugen Tensei 2015-12) [English] [TripleSevenScans]

[Suzuki Dogezaemon] Mushi Mezuru Himegimi 3 (Nausicaä of the Valley of the Wind) [Digital]

[Kishizuka Kenji] Boku to Itoko no Onee-san to | Together With My Older Cousin Ch.1-3 [English] {Doujins.com} [Digital]

[Borusiti] Omochikaeri shite ageru kara (COMIC HOTMILK 2021-09) [Chinese] [e04a8678翻譯] [Digital]

Fellatio Kenkyuubu | Blowjob Research Club Ch. 2

(C80) [Studio Zuburi (Sutajiozuburi Sakuhin)] Nanishita Color Ban (Nausicaä of the Valley of the Wind)

(C93) [Mothman (henreader)] Imouto ni Kareshi ga Dekita toka Chotto Imi ga Wakaranai desu. | Wait, what do you mean my little sister got a boyfriend? [English] [ATF]

Deisui Itoko de Katte ni Omanko Shichau Boku | I Fuck My Drunken Older Cousin

Shigotogaeri, Jishuusitu nite...

(C88) [KURUBUSI-KAI (Dowarukofu)] Onii-chan to Issho (To LOVE-Ru) [Chinese] [脸肿汉化组]

[Osamuya (Mura Osamu)] Asoko ga Ookikute Nayandeiru Shota to Itoko no Onee-san | Sisterly Cousin and the Shota Worrying About His Size [English] [Dovehope H]

Mushi Mezuru Himegimi 5

Action Pizazz DX 2018-11 [Digital]

[ usi☆ donburi go] osananazimi no sya yui tyan to ama taku kun no yuga n da renai zizyou～ risei houkai、 himitu no kozi rase~01｜纱结小姐与青梅竹马海拓先生之间的倒错恋情~理性崩坏、酸酸甜甜的秘密sex~01

(COMIC1☆6) [KURUBUSI-KAI (Dowarukofu)] Rider san ni Sentoufuku Megane Soubi de Gohoushi shite itadaku Hon (Fate/stay night)

(Kahou wa Nete Matsu 6) [MUSIC TIGER (Miyao)] Aishou Batsugun (Osomatsu-san)

(COMIC1☆11) [KURUBUSI-KAI (Dowarukofu)] Mikan no Naisho no Houkago (To LOVE-Ru Darkness)

(COMIC1☆20) [Part K (Hitsujibane Shinobu)] Kyuuka Biyori no Melusine (Fate/Grand Order)

[Panda 4gou (Shima Kyousuke)] Hajime-sensei to Otona no Hoken Taiiku. (Pop'n Music) [English]

"Asoko no Kyunkyun ga Tomaranai noo...!" Baretara Out!? Dansou Kyonyuu ♀ to Chikan Manin Densha 1 | "That Tingling Down There Won't Stop...!" What if I get caught!? A Girl With Big Tits Being Assaulted in a Packed Train 1

(Panzer Girls! 3) [Kurubusi-kai (Dowarukofu)] Momo-chan Ganbaru!! | Do Your Best Momo! (Girls und Panzer) [English] =SNP=

Action Pizazz DX 2015-01

(FF21) [Southbamboo (ChaoRouShi)] Imouto no Mousou Record | Record of My Sister's Delusion (Sword Art Online) [English] [EHCOVE]

[usi] Tonari no Hitozuma Ooya-san 1 [Digital]

Melusine to Iroiro Etchi Hon

FiammettaxExusiai short story

(C59) [Zettai Shoujo (RAITA)] Schuppen Harnische (Nausicaä of the Valley of the Wind) [English] [SaHa]

Mushi Mezuru Himegimi 5

[Shoshi Magazine Hitori (Futoshi SLIM)] Sore wa Nante Seishun | What a youthful time of life [English] [Milky_y] [Digital]

[Maatan] Chocolate de Cousin (English)

Seven Days of Sex with Cousin

Shinseki no Onnanoko ga Kyuuseichou Shite Bakunyuu ni Narimashita | A relative of yours develops suddenly and gets MASSIVE TITS

(C86) [Alpha to Yukaina Nakamatachi (Alpha)] Ore ga Onna ni!? Itoko ga Itoko ni!? | I Got Turned Into a Woman!? And My Cousins Turned Into Guys!? [English] {doujin-moe.us}

Action Pizazz DX 2016-06 [Digital]

Itoko no Katei Kyoushi | My Cousin's Home-Tutor

[天地の肉 (万悪子)] My Mistake is Pretty Cute Conclusion (Watashi ga Motenai no wa Dou Kangaetemo Omaera ga Warui!)

(Puniket 33) [KURUBUSI-KAI (Shinshin)] Dopyutto Pyutto Nama Lotion (Vividred Operation)

Action Pizazz DX 2015-09

[Watochip Melonpan (Watosu)] Melusine to Iroiro Ecchi Hon | Having Various Types Of Sex With Melusine (Fate/Grand Order) [English] [UncontrolSwitchOverflow] [Digital]

[Hone, Masshigura (Akiduki Touya)] Torikago ~Ochiru Gokousen, Mikaishuu no Imouto~ | Bird Cage -Falling on a Five Ship Battle and The Little Sister That Doesn't Improve- (Kantai Collection -KanColle-) [English] {Doujins.com} [Digital]

(C92) [Dam Koubou (Kuroadam)] Moshi, Kaban-chan Ga Kyonyuu Dattara | What if, Kaban-chan Had a Huge Rack (Kemono Friends) [English] {atomicpuppy}

(C101) [Fusionz (Hyper Battle Chimpanzee)] Kanmusu no (Kyoubu) Soukou ga Sukeru Megane RETURNS (Kantai Collection -KanColle-)

Action Pizazz 2013-03 [Digital]

Action Pizazz DX 2018-11 [Digital]

[Kichiku Koubou] Kaze no Tani no Goumon Aido | The pitiful tortured one of the Valley of the Wind ((Nausicaä of the Valley of the Wind)

(C76) [Moriisan-Tokono (Morii Shizuki)] Semai Toko ga Ochitsuku notte Nandarou ne Are | What do you mean, will that tight place fit me (Saki) [English]

(C94) [Yakinikuya Yusi (Akisawa Yusi)] DeliHeal Mosaic (Kiniro Mosaic) [Chinese] [靴下汉化组]

[Kataokasan] 2 Texas x Exusiai (Arknights) [English] [Decensored]

Koibito no Furi Shite Tara, Iki Goe ga…. Yukata Sugata no Kyonyuu Oneesan ni, Tamarazu Sounyuu 1 I Can’t Stop Myself From Penetrating My Big Boobed Older Female Cousin 1

Action Pizazz DX 2014-09

[gento] "Sex no Benkyou Shiyokka?" Kareshi ga Iru no ni Itoko kara Shojo wo Ubaware Zecchou Shidou 1-2 | Let's Learn About Sex: Your Cousin Will Take Your Virginity and Teach You How to Come 1-2 [English]

[Panda 4gou (Shima Kyousuke)] Hajime-sensei to Otona no Hoken Taiiku. | Hajime-sensei and the Adult Health and Physical Education (Pop'n Music) [Chinese] [黑夜汉化组]