Rika no Oshiri Challenge
[Itaba Tatamiten (Itaba Hiroshi)] LOS TIME (Nurse Angel Ririka SOS, Kaitou Saint Tail)
(SC57) [Studio Aruta (Kusui Aruta)] YUKI☆RIKA (Boku wa Tomodachi ga Sukunai) [English] [CGrascal]
(C89) [SAKURAWHITE (Yuuki Rika)] Iroha Gonomi ~Ise no Saikuu to Saigo no Norito no Kai~ [English] [allenallenallen333]
(C90) [TOYBOX, Kujira Logic (Kurikara, Kujiran)] Nyuuri Keizoku Kyousha Kikan Yon (Fate/Grand Order)
[Tama Center (Tama Noboru)] Erika-sama no Kubiwa (Hime-chan's Ribbon)
(COMIC1☆7) [Circle Taihei-Tengoku (Horikawa Gorou)] Chou Onsoku no Ryoshuu (Sonic Soldier Borgman)
(C94) [Circle Taihei-Tengoku (Horikawa Gorou)] Shinsou no Reijou Joukan
(SC40) [Kujira Logic, TOYBOX (Kujiran, Kurikara)] Code Geass Chichi Zukan (Code Geass)
Rika
Itsumi Erika ga Nyouinanka ni Makeru Wake ga Nai!
(C71) [Tsurikichi-Doumei (Umedama Nabu)] Ookiku Koshi wo Futte (Ookiku Furikabutte)
(C94) [TOYBOX, Kujira Logic (Kurikara, Kujiran)] Nyuuri Keizoku Kyousha Kikan Hachi (Fate/Grand Order)
[Honnou to Yokubou no Gyuutan (Yorisuke)] Rika Sensei no Hachimitsu Kyoushitsu Jissen-hen (Boku wa Tomodachi ga Sukunai) [English] [CGrascal]
(C70) [Akonako (Namioka Nyika)] sentimental in my room (Ookiku Furikabutte)
(C88) [CELICA (Serika)] Koinaka (Uta no Prince-sama)
ERIKA
[Himuro Serika] Nyotaika Suieibu ~Ikutabi Onna ni Nacchau Ore no Karada~ 6 | Nyotaika Swim Club I Turn into a Girl When I Cum! 6 [English] [gender.tf]
Mika Rika no Ecchi na Hon
(Reitaisai 3) [TOYBOX (Jacky, Kurikara)] INABA BOX 3 (Touhou Project) [English] {SaHa}
(CR15) [Circle Taihei-Tengoku (Horikawa Gorou)] Super Mario Collection (Super Mario Brothers)
(Reitaisai 12) [TOYBOX, Kujira Logic (Kurikara, Kujiran)] Gensoukyou Chichi Zukan - Ko (Touhou Project) [Chinese] [CE家族社]
(C89) [FLAT (Yukyu Ponzu)] Rika, Otona ni Shiteageyou | Rika, Let's Make You into an Adult (THE iDOLM@STER CINDERELLA GIRLS) [English] [ATF]
[Explorer (Tashiro Mirika)] White Karmotorine Dream (VA-11 Hall-A: Cyberpunk Bartender Action) [Chinese] [沒有漢化] [Digital]
(C54) [Circle Taihei-Tengoku (Horikawa Gorou)] Bell
[Ns:plus (Isa)] B-fold (Ookiku Furikabutte)
(SUPER21) [ass (Itou Emiri)] Mera Mera Meromero (Ookiku Furikabutte) [Incomplete]
(C89) [Kujira Logic, TOYBOX (Kujiran, Kurikara)] Nyuuri Keizoku Kyousha Kikan Ni (FateGrand Order) [English] [constantly]
(C58) [Circle Taihei-Tengoku (Horikawa Gorou)] Dai Ni Kan [Chinese] [魔劍个人汉化]
[Wada Erika] Alice no Ochakai 1
rikasan
[Heisen-Dou (Hiraizumi Kou)] Kantoku wa Luckyhole (Ookiku Furikabutte) [Digital]
[Himuro Serika] Idol Kiss
(COMIC1☆11) [Circle Taihei-Tengoku (Horikawa Gorou)] Emaan no Shousen
(C83) [Circle Taihei-Tengoku (Horikawa Gorou)] Oyako Club Gekan
(SC53) [Matsurija (Nanaroba Hana)] ERO EGOIST Rika Flavor (Boku wa Tomodachi ga Sukunai)
Ochi ** Onna Itsumi Erika
(C78) [Circle Taihei-Tengoku (Horikawa Gorou)] Reigoku Seitokai 3 | Slave Hell Student Council Vol. 3 [English] [SaHa]
(C52) [Hime Club (Kirikaze, Koumorikaizin)] Miyabi (Viper)
[Inomoto Rikako] Onegai | Please (SHY GIRL) [English] [Carstairs]
(Shota Scratch) [LIQUID BERRY REVOLUTION (Ashita)] Tajimiha BOOK 2 (Ookiku Furikabutte)
(COMIC1☆11) [TOYBOX, Kujira Logic (Kurikara, Kujiran)] Nyuuri Keizoku Kyousha Kikan Roku (Fate/Grand Order)
(C91) [Tefutefu. (Tefun)] Futanari Erika to Maho no Himitsu II (Girls und Panzer) [Chinese] [CE家族社]
[Kurikara] Prize Doll Kei
[Kurikara] Mahou Trouble
(SC65) [TOYBOX, Kujira Logic (Kurikara, Kujiran)] Senpai! Oppai desu yo!! (Fate/EXTRA CCC)
(C82) [Blue Drop (Guri)] Tsuyudaku Fight! 11 (Ookiku Furikabutte)
(Panzer Vor! 15) [Mushimusume Aikoukai (Nakamura Yukitoshi)] OnaSupo Panzer Erika Hen (Girls und Panzer) [English] {Doujins.com}
[C-Mania (Honjou Rika)] Love Like Candy Floss (Rockman EXE) [English] {Shotachan}
(C73) [Blue Drop (Guri)] Tennen Shikou 2 (Ookiku Furikabutte) [English] [Nice Sawa]
(C87) [Yakiniku Tabetai (Delaware)] Erika-sama no Saimin Kaihatsu (Girls und Panzer)
Shujou Seikou II - β Watashi... Okasarete Anal ni Mezamemashita
(C75) [TOYBOX, Kujira Logic (Kurikara, Kujiran)] Gensoukyou Chichi Zukan - Chi (Touhou Project)
[Fuzoku Kugayama Kindergarden (Kugayama Rikako)] Hanagumi Gomangahou (Sakura Taisen 3: Pari wa Moete iru ka?)