| Score ▴▾ | Title ▴▾ | | | Released ▴▾ | Rating ▴▾ (▴▾) |
| Kadowakashi | | | 2003-12-25 | - (4) |
| Kagikko Shoujo ~Hizashi no Naka no Orusuban~ | | | 2011-08-13 | 6.51 (44) |
| Kajuu 100% | | | 2018-08-31 | 7.67 (105) |
| Kamikakushi - Shoujo Nie | | | 2020-05-21 | 7.55 (79) |
| Kana Kara -Shizukana Kanojo Kara no Muriyari Gouin na H Kankei- | | | 2007-12-28 | - (1) |
| Kangoku Gakuen ~Gakuen Kounin, Chijoku no Kagai Jugyou~ | | | 2010-08-27 | 7.02 (49) |
| Kanpaku Sengen | | | 2012-06-15 | 6.77 (45) |
| Kansen 5 ~The Daybreak~ | | | 2011-12-22 | 7.02 (80) |
| Kasou Party ~Mofuku Miboujin no Innyuu Shibori~ | | | 2008-04-25 | 5.71 (14) |
| Katei Kyoushi wa Majo Sensei! ~Kojin Jugyou wa H Juushi de~ | | | 2008-07-25 | - (0) |
| Kazoku ~Haha to Shimai no Kyousei~ | | | 2019-09-27 | 7.93 (226) |
| Kazoku Kankin ~Aisai Sayaka, Naraku no Soko no Kairaku Ningyou~ | | | 2010-03-13 | 5.62 (9) |
| Kazoku Kankin ~Manamusume Misuzu, Fuki no Sekai to Yuganda Kairaku~ | | | 2010-04-10 | - (4) |
| Kazoku Kankin ~Oyako Kaiki, Kizamikomareta Kairaku to Zetsubou no Hate ni~ | | | 2010-06-18 | 6.26 (6) |
| Kiara And My Ara Ara Adventure | | | 2020-08-07 | 5.76 (52) |
| Kichiku Kanojo | | | 2009-09-25 | 6.06 (17) |
| Kimomen Teihen-shoku Demo Kyokon nara Harem Guild no Nushi ni Nareru!? ~Densetsu no Kishi ya Seijo, Maou o Tanezuke Kouryaku! Bishoujo-darake Yume no Bouken Seikatsu!~ | | | 2013-05-31 | 5.68 (406) |
| Kindan no Hiketsu ~Watashi no Oshiri de Takusan Sange Shite Kudasai~ | | | 2012-12-28 | 6.13 (10) |
| Kindan no Ketsuzoku | | | 1993-11-12 | 5.09 (380) |
| Kinpatsu Hiyake Tsuma FV | | | 2012-05-09 | - (1) |
| Kisaku-tachi | | | 2019-06-28 | 5.79 (51) |
| Kizumono no Gakuen | | | 2001-08-24 | 6.62 (5) |
| Kizumono no Gakuen 2 ~Case of Saint Spica~ | | | 2002-11-22 | - (3) |
| Kizumono no Gakuen 3 -Heaven's Door- | | | 2007-03-16 | 7.50 (7) |
| Kizumono no Shoujo -Kizumono no Gakuen Gaiden- | | | 2003-12-12 | 6.68 (7) |
| Kodomo Milk Parfait | | | 2003-12-30 | 6.07 (29) |
| Koibito Swapping ~Shin'yuu no Koibito o Ore wa Daki, Ore no Koibito wa Shin'yuu ni Dakareru~ | | | 2020-07-22 | 6.92 (108) |
| Koi Suru Science | | | 2002-04-12 | 5.91 (18) |
| Kojin Taxi 3 | | | 2002-07-26 | 6.54 (5) |
| Kougyaku no Kishi Milles -Boukyaku no Hate, Inshoku Jutai- | | | 2009-02-20 | 5.05 (193) |
| Koukai ~Makan no Kokuin~ | | | 2007-09-14 | 7.13 (29) |
| Kouman JK Kaichou Nakadashi Nikki | | | 2012-08-24 | 5.21 (14) |
| Kunoichi Mikagetsu In'yuuki Jinmon Hen | | | 2007-12-20 | - (3) |
| Kurokami Kyonyuu Iinchou no Chikan Saremakuri Nikki | | | 2012-10-14 | 6.35 (26) |
| Kurokami Kyonyuu Iinchou to Chikan Saiban | | | 2013-10-10 | 6.78 (20) |
| Kurokami Kyonyuu Iinchou to Souta-kun no Natsuyasumi | | | 2016-03-31 | 6.39 (28) |
| Kuro no Toshokan | | | 2003-08-28 | - (2) |
| Kyonyuu de Ecchi na Onee-chan-tachi ga Boku no Chi*po o 24-jikan Hanashite Kurenai! | | | 2020-02-28 | 6.88 (46) |
| Kyonyuu Kazoku Saimin "Kazoku Nan Dakara, Sex Suru no wa Atarimae yo ne......" | | | 2013-08-30 | 7.35 (182) |
| Kyonyuu Maid Nakadashi Tengoku! | | | 2009-01-01 | 5.74 (101) |
| Kyuuryuu no Alfheim | | | 2008-11-21 | - (3) |
| Last Waltz ~Hakudaku Mamire no Natsu Gasshuku~ | | | 2009-11-27 | 6.60 (23) |
| Les Chairs Cruelles ~Aishiau Touhi no Naka de~ | | | 2003-06-27 | 6.93 (12) |
| Let's MEAT Adam | | | 2017-05-01 | 5.75 (13) |
| Lime Iro Senkitan ~Meiji Nippon, Otome Sakimorisu.~ | | | 2002-12-13 | 6.82 (21) |
| Little Do S Bitch ~Sensee no Koto, Ijimete A-ge-ru | | | 2014-03-28 | 6.11 (43) |
| Little Tenshi ~Kanata wa Minna no Nukinuki Angel~ | | | 2012-06-29 | 5.85 (29) |
| Loli Bitch ~Houkago no Yagai Play~ | | | 2013-05-28 | 6.26 (10) |
| Lolikko Kunoichi Boshi Soukan ~Futago Doujo no Inmitsu~ | | | 2011-01-29 | 5.96 (16) |
| Lolipara! ~Osanaki Sei no Hanazono~ | | | 2007-11-02 | 6.30 (20) |