| Kangokutou Mary Skelter | 2016-10-13 | 7.20 (204) |
| Kangokutou Mary Skelter 2 | 2018-07-12 | 7.80 (95) |
| Kangokutou Mary Skelter Finale | 2020-11-05 | 7.50 (36) |
| Kangzhan Shengli 70 Zhounian Da Yuebing Zhe Tian Wo Laopo Turan Xiaoshi Le | 2015-09-05 | 4.60 (10) |
| Kanja S no Kyuusai | 2021-09-29 | 6.60 (109) |
| Kanjou Spectrum | 2024-08-29 | - (1) |
| Kanjousen ~Shimai Chikan Ryoujoku~ | 2007-09-23 | - (2) |
| Kanju | 2001-01-08 | - |
| Kanjuku Jokyoushi ~ Nikuyoku ni Nureru Wana | 2008-11-14 | 7.00 (10) |
| Kanjuku Rouge Drip | 2012-08-12 | 6.90 (97) |
| Kanjuku Shimai Injoku Chikan Densha ~Torawareta Bijin Shimai~ | 2009-12-11 | 5.90 (8) |
| Kanjuku Shimai ~Haha Futari Chichi Shibori~ | 2007-12-14 | 6.60 (37) |
| Kanjuku Virgin Nikki | 2010-11-12 | - |
| Kanjuku☆Sakuranbou! ~Hikiota-tachi no Shimai Koukan~ | 2010-10-29 | 6.40 (5) |
| Kankaku no Surudoi Kiba | 2003-04-25 | - (4) |
| Kankeizu ~Yutori-kun no Gyakushuu~ | 2008-05-23 | 6.40 (13) |
| Kankin | 1995-05-18 | 6.00 (10) |
| Kankin Byoutou ~Kyonyuu Chijo Nurse no Nyuuin Kango Kiroku~ | 2022-09-30 | 7.10 (106) |
| Kankin DL Bishoujo - Kieta Sailor Joshikousei - | 2008-03-29 | - (2) |
| Kankin Idol Recital ~Idol Ryoujoku Nikki~ | 2008-02-29 | 6.20 (5) |
| Kankin Jou | 2018-05-04 | - (1) |
| Kankin Koukan ~Hitsuu! Hajimete ga Oshiri no Ana da nante~ | 2009-04-17 | 5.60 (16) |
| Kankin Kyonyuu Shoujo | 2019-10-27 | - |
| Kankin Lovers | 2013-01-24 | - |
| Kankin Nikki ~Juujin Shoujo no Haisetsu Kiroku~ | 2020-05-29 | - |
| Kankin Ryoujoku Choukyou Hazuki & Mio | 2007-07-27 | 6.60 (6) |
| Kankin Shoujo [Re:birthing] | 2015-11-08 | 6.00 (44) |
| Kankin Shoujo [re:union] | 2009-02-20 | 6.30 (20) |
| Kankin Shoujo ~Nama Sounyuu Jigoku~ | 2008-09-21 | 5.80 (14) |
| Kankin ~18 no Ana Mou Sosogikomanaide!~ | 2006-01-27 | 6.40 (5) |
| Kankoku ni Manabu, Seieki no Keizai | 2012-10-06 | 6.50 (6) |
| Kankou Bus Tour ~Shikijou ni Somerareta Hanayome~ | 2010-08-15 | 6.10 (6) |
| Kankou Ryokou ~ Otto no Mae de Tanin Bou o Kuwaeru Hounyuu Bus Guide Tsuma Misaki | 2013-02-21 | 6.70 (38) |
| Kankyuu Goujuu | 2014-05-09 | 6.60 (86) |
| Kanmuri o Motsu Kami no Te | 2009-06-01 | 6.60 (8) |
| Kannabi | 2007-10-19 | - (1) |
| Kannagi | 2002-03-01 | 5.90 (10) |
| Kannagi Rina Inbitan | 2016-07-29 | 6.20 (15) |
| Kannagi no Mori | 2018-05-31 | 7.10 (32) |
| Kannagi no Tori | 2002-11-29 | 7.70 (40) |
| Kannazuki no Tsukai | 2016-11-02 | - (2) |
| Kannin Shite! Otto no Inu Ma ni Okasareru Haramizuma Arai Mika | 2009-01-16 | - (4) |
| Kannou Kyoushuu | 1997-03-07 | - (4) |
| Kannou Mukashibanashi Portable | 2012-01-19 | 6.90 (34) |
| Kannou Shousetsuka | 2022-01-28 | 6.00 (10) |
| KanoBitch ~Kanojo ga Bitch ni Natta Riyuu~ | 2018-08-17 | 6.60 (280) |
| Kanobare ~Kanojo ni Barezu ni Uwaki Shiro!~ | 2021-02-21 | 5.60 (10) |
| Kanojo | 2002-10-04 | - (3) |
| Kanojo * Step | 2016-09-30 | 7.80 (327) |
| Kanojo Baishuntou | 2011-07-31 | 6.90 (25) |