| Kuro | 2002 | - (1) |
| Kuro Ai ~Ichiya Saikan Inkou Rannyuuroku~ | 2004-06-25 | 7.20 (65) |
| Kuro Bara wa Yoru ni Saku | 2004-01-23 | - (4) |
| Kuro Bitch Gyaru ga Kimo Ota ni Ochiru Made ~Kankin Ryoujoku Haishin Nikki~ | 2020-04-24 | 6.20 (11) |
| Kuro Densha Gakuen Taiken Nyuugaku | 2014-02-13 | 5.60 (6) |
| Kuro Gyaru Bitch ni Shasei Kanri Saremashita? ~Aashi ni Ironna Kakkou Sasete Koufun Suru toka Kimoin Desu kedo~ | 2016-09-09 | 6.60 (34) |
| Kuro Gyaru Imouto no Kimo Ani Ijiri ~Doutei de Sourou Nante Maji Kimoi~ | 2016-08-05 | 6.30 (18) |
| Kuro Gyaru Inmai Anna-chan ~Jimi na Imouto ga Henbou Shite Onii-chan Zenryoku Dokusen!~ | 2019-08-30 | 6.40 (21) |
| Kuro Gyaru Musume to no In'yoku Soukan ~Honrou Sareru Chichioya no Seiyoku~ | 2018-08-03 | 6.00 (121) |
| Kuro Gyaru, Anal Kakuchou Keikaku ~Sadistic na Kono Ore ga, Futsuu no Sex o Suru wa Omouna yo?~ | 2016-10-07 | 6.10 (16) |
| Kuro Gyaruko-chan to Shippori Onsen Ryokou ~H Shimakuri Sanpaku Yokka no Tabi~ | 2022-11-02 | 6.10 (18) |
| Kuro Mahou Shoujo Sadistic Youko | 2002-01-25 | - (3) |
| Kuro Niji Short Story | 2004-03-26 | 6.20 (12) |
| Kuro Pug Koto Mag | 2018-05-22 | - |
| Kuro Suku Shiro Suku ~Ojou-sama wa School Mizugi~ | 2009-08-16 | - (3) |
| Kuro Usagi to Kurenai no Byoushitsu | 2021-09-20 | - |
| Kuro Youkyou no Majuu | 2006-12-18 | 7.00 (8) |
| Kuro no Abyss | 2025-06-23 | 4.60 (8) |
| Kuro no Danshou: The Literary Fragment | 1995-07-14 | 6.90 (21) |
| Kuro no Juujika ~per aspera~ | 2004-07-16 | - (3) |
| Kuro no Juusan | 1996-09-27 | - (4) |
| Kuro no Kuronosu | 2012 | - (1) |
| Kuro no Kyoudan 2 - Yuuka no Uzuki - Netorare ADV | 2009-07-10 | - |
| Kuro no Kyoushitsu | 2014-04-25 | 7.50 (171) |
| Kuro no Orpheus | 2001-08-10 | - (1) |
| Kuro no Toshokan | 2003-08-28 | 5.90 (7) |
| Kuro no Tsuki | 2001-05-18 | 5.20 (50) |
| Kuro no Utahime | 2005-10-28 | 6.30 (25) |
| Kuro to Kin no Akanai Kagi. | 2010-12-04 | 6.30 (123) |
| Kuro to Kuro to Kuro no Saidan ~Kodoku~ | 2002-05-24 | 7.00 (35) |
| Kurogane Kaikitan -Sen'ya Ichiya- | 2015-01-29 | 7.50 (49) |
| Kurogane no Tsubasa - Nozomu Yume | 2007 | - |
| Kurogane no Tsubasa ~The Alchemist's Story~ | 2009-12-11 | 6.50 (16) |
| Kurogane to Hime | 2023-07-22 | - |
| Kurohime | 2000-12-15 | 6.40 (9) |
| Kuroi Hamon | 1998-10-09 | - (1) |
| Kuroi Majo | 2020-11-29 | - |
| Kuroi Mori no Riddlemare | 2020-08-31 | - |
| Kuroi Tonbo no Oka de Mou Ichido | 2012-05-05 | - |
| Kuroi Tsubasa | - | - (3) |
| Kuroinu 2 ~In'yoku ni Somaru Haitoku no Miyako, Futatabi~ | 2018-12-21 | 7.50 (272) |
| Kuroinu ~Kedakaki Seijo wa Hakudaku ni Somaru~ | 2010-04-23 | 6.90 (586) |
| Kurojirushi Rikka [From dusk till dawn] | - | - |
| Kurojirushi Rikka [into the Deep Night] | 2012-09-11 | - (2) |
| Kurokami Kyonyuu Iinchou to Chikan Saiban | 2013-10-10 | 6.70 (23) |
| Kurokami Kyonyuu Iinchou to Souta-kun no Natsuyasumi | 2016-03-31 | 6.40 (31) |
| Kurokami Long no Osananajimi ga, Kimyou na Volunteer ni Sei o Dashite Iru Ken ni Tsuite. | 2021-09-26 | - (3) |
| Kurokami Seiso na Bitch Shojo Kanojo to no Love Love Niku Benki Life | 2014-08-29 | - (3) |
| Kurokami Seiso-chan Monogatari -Kareshi ja Nai Hito de Iki Kurutte Ecchi Daisuki ni Natte Shimau Joshikousei- | 2016-03-25 | 6.40 (53) |
| Kurokami Shoujotai | 2005-02-04 | 6.30 (6) |