(C86) [Tairikukan Dandoudan Dan (Sakura Romako)] Anoko ga Natsuyasumi ni Ryokou saki de Oshiri no Ana wo Kizetsu suru hodo Naburare tsuzukeru Manga

(C84) [Ashitakara-Ganbaru (Yameta Takashi)] Makopi- ni Haeteta Chinpo wa Rikka ni Ijime rareru to Nando demo Shasei shichau no (Dokidoki! Precure)

(Nin FES.3) [Rikka, Junjou Wakegijiru (Rikka, Uni Tarou)] Futari Kurashi Hajimemashita (Rakudai Ninja Rantarou)

(C94) [Moruda Ramenya (Moruda)] Okei-san no Nukinuki Dosukebe Challenge | Okay-san's Dirty Lewd Challenge (Girls und Panzer) [English] {Doujins.com}

(C83) [RED RIBBON (Aheen)] DekomoRikka (Chuunibyou Demo Koi ga Shitai!)

[Showa Juukou (Zasan)] Takanashi Rikka wa Dorei-chan | A Slave-chan Called Rikka (Chuunibyou Demo Koi ga Shitai!) [English] =LWB= [Digital]

Asari Nanami-chan to Oshiri de Suru Hanashi

(C81) [Tairikukan Dandoudan Dan (Sakura Romako)] Anoko ga Mainichi Oshiri no Ana ni Butta Mono o Irerare Nando mo Zecchou ni Tassuru Manga

Dairoku! Otoile Challenge 2

(CiNDERELLA ☆ STAGE 6 STEP) [Kuzu no Mokuzu (Mokuzu)] Mirei-chan!? Oshiri de Yuuwaku Suru no o Yamenasai (THE IDOLM@STER CINDERELLA GIRLS)

[Kankitsukei Marker] Otokonoko no Oshiri wa Futanarikko no Mono!

Petite Jolyne Lewd Challenge + Extras

(C67) [Sniff Dogs (Ujiie Moku)] Oshiri Club

[Rald] Geneki Super Idol Ikaseai Challenge! Clear de 100-man Yen! Shippai Suru to AV Debut!? (Shadowverse) [Chinese] [世界树个人汉化]

[ViperXTR] I Challenge You! (Kono Subarashii Sekai ni Syukufuku o!) [English]

Saimin Tengoku Challenge 06

(C85) [Yorokobi No Kuni (JOY RIDE)] Yorokobi no Kuni vol.20 Rikka wa Mana no Nikubenki (Dokidoki! Precure)

Seieki Tamekomi Challenge

(C81) [Sniff Dogs (Ujiie Moku)] Imouto-tachi wa Oshiri ga Setsunai (Boku wa Tomodachi ga Sukunai)

[laliberte] CHALLENGE [Chinese] [流木个人汉化]

(C95) [Ishimuraya (Ishimura)] Oshiri San no Shiriana Jii Kiroku [English]

(C84) [Ruiketsuan (Namidame)] Oshiri-Hime no Junan (THE iDOLM@STER) [Chinese] [百合勿忘草个人汉化]

(C64) [kodomo challenge (Various)] natsu no kansatsu nikki | Summer observation diary (Original) [English]

(C91) [Molossan (Morochin-san)] DokiDoki Mesuiki! Challenge!! (Various)

(C76) [Chrono Mail (Tokie Hirohito)] Rikka no Yadoya Funtouki | The Struggles of Rikka's Inn (Dragon Quest IX) [English] [darknight]

Kouiu Koyuki mo Dou desu ka?!

Rika no Oshiri Challenge

[MYON+1] Kunoichi Nyannyan Asoko mo Oshiri mo Taihennya♪ (Shining Tears)

[Sake no Sanran (Haiiroguma)] Daiyousei no Cirno-chan no Oshiri Kaihatsu (Touhou Project) [Digital]

Oshiri Meister!!

[Kikkaya (Uesugi Kyoushirou)] Haruka Challenge

(C68) [KNOCKOUT (Various)] Oshiri De Kyu! 10

[Yuzuponz (Rikka Kai)] Minarai Inma ga Ichininmae ni Narutame Yarinikita [Digital]

[Pride ZERO] Oshiri Youmu (Touhou Project)

Rikka-chan, Yuuta ni Josou Saseru

Kotone Oshiri Special

[Ishimuraya (Ishimura)] Watashi wa "Kore" o Oshiri ni Iremashita. (Kantai Collection -KanColle-) [Chinese] [无毒汉化组]

[Yottanchi (Yottan)] Maniacs Series Dainidan - Oshiri Maniacs Vol. 1 [Digital]

(C85) [Shichimen Soka (Sexyturkey)] Hime-sama ni Oshiri Ijirareru Hon | The Princess Played with my Butt (Lotte no Omocha!) [English] [Sn0wCrack]

Saimin Tengoku Challenge 04

JC Chinpo-beya Ikkagetsu Seikatsu Challenge!

#SoniCha Ikuiku Challenge

[Power Slide (Uttorikun)] Oshiri-chin 3 (THE iDOLM@STER) [Digital]

Second Virgin 4: To is for The Usual Friends

(C83) [Tataraba (Tsurugi Hagane)] Marugoto Rikka (Chuunibyou Demo Koi ga Shitai!)

(C95) [Andorogynous (Kiyose Kaoru)] Futanari Milk Challenge 5

(Nikudarake!!!!!! Gachinko Butoukai in chaos) [Kasuga Kikaku (Terujirou)] Gekokujou ni Chousen! | Junior Dominating Senior Challenge! [English]

Challenge! Hentai Majo Rensei

Okureta Natsuyasumi Oshiri de Omoide Zukuri

(C82) [Bizensiki Roroppu (Bizen)] Okaeri no Oshiri Ecchi [English] [DFC]

(C93) [Milk pudding (Jamcy)] Akane-chan Challenge! 2-kaime (VOICEROID) [Chinese] [脸肿汉化组]

[Mizu] PokaPoka After (Kids Challenge) [English] [QTR]

Sanae Challenge!!

Usotsuki Rikka no Yasashii Uso

Yousei-san no?! Himitsu no Bouken no Tobira Preview ver

[Tange Suzuki] Mama to Oshiri to Koumon to... - Mom und Gesäß und Anus

(C95) [Labomagi! (Takeda Aranobu)] W Jeanne to Off-Paco Challenge (Fate/Grand Order)

JK Tamamo no Shuugaku Ryokou Oppai Challenge

(Zennin Shuuketsu 9) [Chikuwa to Kyuuri (Sakuraba Chizuru)] Otou-san Challenge (Naruto)

[Yuzuponz (Rikka Kai)] BITCH FIGHTER (Various) [Digital]

(Futaba Gakuensai 7) [1000AP (Various)] Kodomo de Challenge 3 (Futaba Channel)

Mahiru's men's swimsuit challenge

Nametake Challenge!

(C58) [Knockout (Various)] Oshiri De Kyu! 6 (Various)

DeKatsu no Osasoi Challenge!

[Kemoyuru (Akahito)] Akane-chan wa "Oshiri" de Asobu You desu (VOICEROID) [Digital]

RIKKA CHAN SOS!

(C82) [Shichimen Soka (Sexyturkey, momo, Ryou)] Kenja ni Oshiri Ijirareru Hon (Lotte no Omocha!)

(C81) [Sniff Dogs (Ujiie Moku)] Imouto-tachi wa Oshiri ga Setsunai | My Little Sister's Ass is Demanding (Boku wa Tomodachi ga Sukunai) [English] [DMD]

Abigail to Himitsu no Oshiri Asobi

[Ankoman] Usotsuki Rikka no Yasashii Uso (SSSS.GRIDMAN)

[R2 (Rakko)] Yuusha no Chousenjou 3 Senshi ni Love Song o | Hero's Challenge 3 (Dragon Quest III) [English] =thetsuuyaku= [Digital]

[Nishina Satomi] Kyokan-kun to Kogara-chan Shinchousa 43-centi de SEX Challenge - Giant and a small lady.

[Yuzuponz (Rikka Kai)] 18-gou Sei Dorei Keikaku -Bulma to Krillin no Kyoubou de 18-gou ga Ochiru Made- (Dragon Ball Z) [Chinese] [D狗汉化] [Digital]

Yui-chan SEX Challenge!!

(Futaket 14) [Suichuu White (Calpi)] Kyokon Shoujo Nyoudou Challenge! [Chinese] [沒有漢化]

FEEL SO ASS ~Unmei, Kanjichatta~ | FEEL SO ASS ~I felt like it was fate~

[Takeya (Taketora Suzume)] Kuroshio Challenge (Kantai Collection -KanColle-) [Digital]

I Challenge You!

(C79) [Rokuroku Sanjyuuroku] Hajimete no oshiri taiken

(C86) [Shichimen Soka (Sexyturkey)] Sousui ni Oshiri Ijirareru Hon (Sekai Seifuku -Bouryaku no Zvezda-) [English] [biribiri]

Taiga no Jouzu na Shitsukekata

(Warabe Jitsuno Koukou Bunka Matsuri Duel Carnival) [Michu★Honey (Hikari.)] Kattobingu wa Challenge tte Kotoda ze! (Yu-Gi-Oh! Zexal)

[Showa Juukou (Zasan)] Takanashi Rikka wa Dorei-chan (Chuunibyou Demo Koi ga Shitai!) [Digital]

At first glance, it looks like a man swimsuit challenge + Textless + Bonus

(C90) [Yuzuponz (Rikka Kai)] Namahamechuu ni Cell ni Kyuushuu Sare Shokushuzeme ni Au 18-gou (Dragon Ball Z)

Futanari Milk Challenge 2

(C88) [Yuzuponz (Rikka Kai)] DOEROI HOLE ~Chijo to Chijo~ (Dragon Ball Z)

RIKKA RIKKA

Seifuku Bishoujo 2gakki Ee!? Oshiri ni Koishiteru? Cheer Girl-chan to Dosukebe na Onnanoko-tachi dattee?

RikkachanfutomomoPeroperoMajikawaisugi

(C83) [Kuromahou Kenkyuujo (Nukaji)] Ore to Rikka no Kodomo wa Jaou Shingan wo Motsu Yami no Hoo no Tsukai Shu de Kitto Saikyou-da! (Chuunibyou demo Koi ga Shitai!)

Futanari Milk Challenge

Yuusha no Sairokubon Challenge

Virgin Chapter 3: To is for Tomodachi Again

(SUPERKansai23) [Crazy9 (Ichitaka)] Kenou-sama, Oshiri no Renshuu Dekiru ka na? (Fate/Grand Order)

(C83) [Petit Ego! (Nuruken)] Nakigao Rikka chan to Icha Icha Shitai! (Chuunibyou Demo Koi ga Shitai!)

Kodomo Challenge 2

DokiDoki Mesuiki! Challenge!!

Usotuki rikka no yasasii uso

Oshikko Challenge!? | 小便挑战!?

(Houraigekisen! Yooi! 25 senme) [Kasugano Kikaku (Kasugano Tobari)] Kyouei Mizugi no Kashima to Oshiri de Suru Hon (Kantai Collection -KanColle-)

Futanarikka-chan to Akane-chan ga ichalove SEX suru manga

(Futaba Gakuensai 8) [1000AP (Various)] Kodomo de Challenge 4 (Futaba Channel)

Jeanne Alter to Dakkou Challenge!!

[Mokusei Zaijuu (Mokusei Zaijuu)] Takanashi Rikka o Nakisakebu made Rape Shitai! (Chuunibyou Demo Koi ga Shitai!)

(C94) [Moruda Ramenya (Moruda)] Okay-san no Nukinuki Dosukebe Challenge (Girls und Panzer)

[Erotic Fantasy Larvaturs (Takaishi Fuu)] Sayonara Oshiri no Ooki na Adele [Digital]

(C87) [HarthNir (Misakura Nankotsu)] Tone-chan Oshiri Kai Ni!! (Kantai Collection -KanColle-)

Oshiri ni Koi

(Futaket 14.5) [Shichimen Soka (Sexyturkey)] Pink no Akuma ni Oshiri Ijirareru Hon (Sword Art Online Alternative Gun Gale Online)

[Tange Suzuki] Mama no Koumon - Mommy’s Anus (Mama to Oshiri to Koumon to Ch.4) [English][Decensored]

(C94) [Bizensiki Roroppu (Bizen)] Oshiri Ecchi Challenge (Hatoba Tsugu)[Chinese][夏姬霸汉化组]

[Akira Aki] Yuri Mate! Ch. 1 - Sekai wa Oppai Oshiri School Mizugi no Tame ni Mawatteiru!

[Kishinosato Satoshi] Oshiri ni Koi | Love from the Ass (Hamesakari) [English] [CrossRook]

[Kurebayashi Min] Imouto no Oshiri no Ana

[Tohgoo (Fuyutugu)] Leopard-chan Oshiri no Ana de Yoru no Oshigoto (Yoru no Yatterman)

Angela no Oshiri Ijiri

Kesshouban-chan no Oshiri Itazura

(C90) [Imomaru (Kenpi)] Reimu no Oshiri wa Kinoko Naedoko (Touhou Project) [English] [robypoo]

Reiwa Shasei Challenge

(C83) [Shichimen Soka (Sexyturkey)] Silica-chan ni Oshiri Ijirareru Hon (Sword Art Online)

(C92) [SHAY-CONE (Poccora)] OSHIRI MANIAX (Fate/Grand Order)

(C87) [HarthNir (Misakura Nankotsu)] Tone-chan Oshiri Kai Ni!! (Kantai Collection -KanColle-)

(C83) [Suzuya (Ryohka)] Lovely Gantai Rikka-chan (Chuunibyou demo Koi ga Shitai!)

(C80) [Bizensiki Roroppu (Bizen)] Imouto(9) no Oshiri de Ecchi suru Hon

Is My Hobby Weird - Chapter 1

Takarada Rikka-san

(C88) [Yuzuponz (Rikka Kai)] DOEROI HOLE ~Chijo to Chijo~ (Dragon Ball Z) [Chinese] [D狗汉化]

(C88) [Shinobi-Rocket (Sasamashin)] Akatsuki Challenge! (Kantai Collection -KanColle-)

(C95) [Ishimuraya (Ishimura)] Oshiri San no Shiriana Jii Kiroku

(C97) [DECOPPACHI (Hidiri Rei)] DT Chinpo 100-pon Acme Challenge!! (Kiratto Pri Chan)

(Reitaisai 10) [Ruiketsuan (Namidame)] Kasen-chan no Oshiri ga Rambutan | Kasen-chan’s Anus is a Rambutan (Touhou Project) [English] {Anonygoo + Afro}

Akane Challenge!? 2

Kyogo ~Kunoichi Water Torture Challenge~

[AXZ (Katatuka Kouji)] Yui-chan SEX Challenge!! (Yuyushiki) [Digital]

(C101) [chori (Chorimokki)] Nanjamo to Ura Gym Challenge!! | 奇树的秘密道馆挑战!! (Pokémon Scarlet and Violet) [Chinese] [我今天爆炸了个人汉化]