| Uchuu Keiji Soldivan | 2008-04-04 | 6.70 (12) |
| Uchuu Keiji Shirley R ~Tsurupeta Bishoujo Heroine Kankin Rape Renzoku Akume~ | 2009-09-27 | - |
| Uchuu Keiji Seres | 2004-01-25 | - |
| Uchuu Kaizoku Sara | 2007-08-24 | 6.50 (358) |
| Uchuu Kaizoku Kagura | 2008-03-28 | 7.20 (24) |
| Uchuu Kaitou Funny Bee | 1994-08-10 | 7.10 (13) |
| Uchuu Harem ~Ishu Kouhai toka Nan toka~ | 2016-02-03 | - |
| Uchuu Haou Deckertin-de-Gade ~Toraware no BIG PINK~ | 2018-07-07 | - |
| Uchitani Mika no Jouai -Jikan Kanshou Ryokou no Shoujo-tachi No.2- | 2018-08-31 | - |
| Uchinuma Mizuki no Jun'ai -Jikan Kanshou Ryokou no Shoujo-tachi No.1- | 2018-08-26 | - |
| Uchiki na Hounyuu Cosplay Onna Joushi Mitsuru no Yuuutsu | 2012-11-16 | 6.00 (9) |
| Uchi wa Mou, Enki Dekinai. | 2021-11-26 | 7.60 (157) |
| Uchi o Tamariba ni Suru Gyaru o Nakadashi Zuke de Chin-kobi Haramase Onaho ni Shita | 2026-03-27 | - (2) |
| Uchi no Tsuma ga Hibi Kirei ni Natte Iku Ken ni Tsuite | 2011-10-15 | - (1) |
| Uchi no Tsuma Dakimasenka? ~Mirarete Kanjiru Hounyuu K Cup Jukuzuma Mizuki | 2012-06-14 | 6.70 (37) |
| Uchi no Sennin wa BRA o Shinai | 2013-10-03 | - |
| Uchi no Pet Jijou Vol. 2 | 2026 | - |
| Uchi no Pet Jijou Vol. 1 | 2022-04-08 | 6.50 (184) |
| Uchi no Koibito | 2019-04-26 | 7.30 (265) |
| Uchi no Ko Shoukai Interview Yume-hen | 2016-03-12 | - |
| Uchi no Ko Shoukai Interview Ayase-hen | 2015-04-22 | - (1) |
| Uchi no Kanojo | 2018-06-29 | 6.70 (336) |
| Uchi no Jimi na Imouto ga, Konna ni Kyonyuu de Erokatta Nante! ~Nuretara Nureru Hatsujou Switch~ | 2014-08-22 | 6.30 (29) |
| Uchi no Imouto wa Anani ga Osuki ~Ani o Omou Imouto to no Anal Kakuchou Seikatsu~ | 2024-02-02 | 5.60 (15) |
| Uchi no Imouto no Baai - Pure Love Edition | 2007-10-26 | 6.80 (15) |
| Uchi no Imouto no Baai (Heart) | 2003-05-30 | 6.90 (17) |
| Uchi no Imouto | 2018-11-30 | 6.80 (428) |
| Uchi no Ichizu na Tsuma ni Kagitte... ~Jitakunai Netorare o Misetsukerareru Otto~ | 2017-09-08 | 5.60 (79) |
| Uchi no Aruji wa Youkai no Joushiki o Shiranai | 2021-01-29 | 6.90 (73) |
| Uchi ni Tomete yo ♪ ~Bitch na JK to Hame Makuri Dousei Seikatsu~ | 2017-06-02 | 7.00 (70) |
| Uchi ni Tenshi ga Yari ni kita -Bakunyuu Tenshi no go Houshi Seikatsu- | 2017-04-26 | 6.50 (10) |
| Uchi ni Oideyo, Gebaru-Sou | 2012-05-19 | - |
| Uchi Papa | 2007-12-29 | 6.20 (6) |
| Uchenik Demiurga | 2021-07-05 | - |
| Ubugoe | 2006-07-29 | - (4) |
| Ubu na Otome no Ecchi na Onegai | 2017-10-27 | 6.90 (34) |
| Ubu | - | - (1) |
| Ubel | TBA | - |
| Ubawarezuma ~Kan'ochi Onsen Shain Ryokou~ | 2018-05-11 | 6.40 (108) |
| Ubawaretaka ~Haha Imouto Tousatsu NTR~ | 2011-12-31 | - |
| Ubawareta Yuugure ~Hamidashi Bukatsudou Ryoujokukei~ | 2002-06-28 | - (3) |
| Ubawareta Gakuen ~Wana ni Ochita Yuutousei~ | 2014-06-27 | 6.60 (15) |
| Ubai ~Hito no Onna, Urimasu~ | 2014-08-22 | 6.70 (100) |
| Ubai Zero ~Saisho no Ayamachi~ | 2016-11-25 | 6.20 (15) |
| Ubai Tsuu - NTR Haitatsu Service Eigyouchuu | 2022-08-26 | 6.20 (13) |
| Ubai Gakuen ~Ichizu de Kawaii Shimai ga Shiranu Ma ni Ochiteiku~ | 2016-10-14 | 6.30 (34) |
| Ubai Ending ~Hito no Onna, Saigo made Urimasu~ | 2016-03-11 | 6.70 (45) |
| Ubai Byoutou ~Netorare Karute~ | 2017-06-23 | 6.40 (43) |
| Ubai Again ~Hito no Onna, Mata Urimasu~ | 2015-04-03 | 6.30 (57) |
| UVAO Project 2017 Rebuild | 2017-12-29 | 5.70 (21) |