| Rise And Shine, Lab Rat! | - | - (1) |
| Rise Against!! | 2013-07-23 | 6.10 (6) |
| Rise | 1999-02-25 | - (2) |
| Riruka wa Ikue ni Yoru o Irodoru | 2026-03-27 | 7.00 (12) |
| Ririyeye | 2020-10-24 | - (1) |
| Ririshiki Bushin Reiha to Amalove Nakadashi Seikatsu! ~Watashi to Ko o Nashitekure... Ongi ni wa Kono Karada de Seishin Seii Kotaeyou~ | 2009-08-07 | 6.20 (58) |
| Ririka von Lustveil | 2026-03-02 | - (2) |
| Ririchiyo-sama no Ossharu toori! | 2012-03-18 | 5.90 (5) |
| Ripuria Rune | 2001-10-19 | - |
| Ripple～ブルーシールへようこそっ～ | - | 6.50 (26) |
| Ripples | 2008-01-28 | 6.00 (601) |
| Ripples | 2023-11-06 | 7.80 (147) |
| Ripple Island | 1988-01-23 | 5.60 (12) |
| Rio | - | - |
| Rinshitsu no Bishoujo Shimai o Tenazukete Tsukkomi Houdai O**nko Shimai ni Shichau Hanashi | 2019-06-21 | 6.50 (6) |
| Rinoan Ryoujoku Monogatari -100yenFantasy- | 2009-05-18 | - |
| Rinne no Chigiri | 2019-10-17 | - |
| Rinne Dou Koukou Bunkasai Kyousou Kyoku | 2016-03-20 | - |
| Rinn-chan no Tensei Hakusho ~Meido no Miyagebanashi~ | 1995 | - (1) |
| Rinkanjima | 2010-01-29 | 7.00 (18) |
| Rinkan ~Kizumono no Imouto~ | 2005-08-12 | 6.80 (5) |
| Rinkan To LOVE-Ru ~Kodanejiru~ | 2006-09-17 | - (1) |
| Rinkan Shoujo | 2007-09-19 | - (3) |
| Rinkan Kurabu | 2008-03-21 | 6.30 (461) |
| Rinkan Gakuen "Yamete! ...Okaa-san, Minaide!" | 2004-03-26 | 7.00 (5) |
| Rinkan Gakkou ~Chirasareta Junketsu~ | 2007-04-29 | - (1) |
| Rinkan Gakkou 3 ~Kendou Shoujo Kanraku Rape~ | 2014-11-08 | - (1) |
| Rinkan Gakkou 2 ~Fukushuu no Shojo Sange~ | 2010-10-09 | - (1) |
| Rinkan Gakkou | 1994-12-20 | - (4) |
| Rinkan Fukutoshin Sen ~Tomaranai Chikan Rensa~ | 2014-10-03 | 5.70 (17) |
| Rinkan Byoutou "Yamete... Sensei, Minaide!" | 2005-05-27 | 6.50 (7) |
| Rinkan Biyaku Chuudoku ~Nigeba Nashi! 1428-nin no Seito Zen'in ni Sex Sareru Reijou Sayaka~ | 2013-03-29 | 6.40 (145) |
| Rinkaiten ~Critical Point~ | 1998-07-24 | 6.40 (480) |
| Rinkaiten no Azrael | 2019-08-23 | 7.00 (13) |
| Rinkai Gasshuku | 2007-10-26 | 6.80 (15) |
| Rinkai Gakuen | 2014-02-28 | 6.90 (43) |
| Rink Rust | 2021-06-13 | - |
| Rinjou Stargazer | 2022-08-21 | - |
| Rinjoku no Shiro Kairai no Ou | 2008-05-30 | 7.00 (39) |
| Rinjin ~Tonari no Kirei na Okaa-san wa Suki Desu ka?~ | 2015-01-30 | 5.90 (43) |
| Rinjin ~Kabedon Kara Hajimaru Koi~ | 2023-05-19 | - |
| Rinjin wa Hentai Chijo ~Anata ga Shiranai Ano Ko no Seiheki~ | 2017-12-08 | 5.40 (16) |
| Rinjin ni Ore no Tsuma ga Netorareta | 2017-12-30 | - (1) |
| Rinjin ni Kowasareteiku Ore no Tsuma | 2017-05-26 | 7.30 (165) |
| Rinjin Mousou ~Danchizoku no Hirusagari~ | 2000-04-21 | - (3) |
| Rinjin Kansatsu | 2010-05-01 | 5.90 (98) |
| Rinjin -Neighbor- | 2008-11-21 | 6.80 (171) |
| Rinjin | 2002-11-15 | - (2) |
| Ringu: Infinity | 2000-08-10 | - (1) |
| Ringo ga Mita Yuuyake | 2014-02-28 | - |