| Imouto Choukyou Nikki√happy end & another | 2013-08-11 | 5.70 (92) |
| Imouto Chuudoku ~Naosu Kusuri wa Arimasen~ | 2007-12-21 | - (3) |
| Imouto Chu☆ #02 Tsundere Imouto no Shou | 2013-07-19 | 5.10 (7) |
| Imouto Collection | 2019-09-27 | 6.60 (26) |
| Imouto Daisakusen ~Project i-mote~ | 2006-03-30 | 5.40 (8) |
| Imouto Dakara Dekiru Koto, Imouto Janai to Dame na Koto. | 2013-06-28 | 6.60 (55) |
| Imouto Ecchi Shiyo♪ | 2010-10-25 | - |
| Imouto Fuuzoku | 2018-08-10 | 5.50 (15) |
| Imouto Gakushuuchou Page 1 Matsubara Kana ~Tanjoubi Present~ | 2007-11-28 | - |
| Imouto Gyaku Rape ~Midara na Tsubomi no Sasoi~ | 2006-09-08 | 6.20 (11) |
| Imouto Haramasex | 2010-08-13 | 6.20 (16) |
| Imouto Heaven ~Onii-chan Daisuki na Imouto-tachi to Amae Makuri Seme Makuri Ecchi Seikatsu~ | 2014-03-28 | 6.30 (11) |
| Imouto Houchi Health | 2022-02-10 | - |
| Imouto Ijikuri Gakushuu Nikki | 2009-12-30 | - (4) |
| Imouto Ijime | 2009-12-25 | 5.20 (1019) |
| Imouto Ijiri ~Futarime~ Boku no Ichiban Daiji na Hi - Akira-chan | 2002-08-11 | - (1) |
| Imouto Ijiri ~Sanninme~ Daikirai de Daisuki - Yuuki-chan | 2002-12-30 | - (1) |
| Imouto Ijiri ~Yoninme~ Suki Dakara Ienai - Koyuki-chan | 2003-08-17 | - (1) |
| Imouto Ikenie ~Ryoujoku no Mori~ | 2006-12-04 | - (2) |
| Imouto Itazura Nau ~Itsudatte Muramura Shite Shimau Ore to Imouto~ | 2013-08-13 | - (3) |
| Imouto Jiru to Mama no Oppai ~Haramase Haha Imouto~ | 2008-07-29 | 6.00 (27) |
| Imouto Kairaku Ochi ~Onii-chan ni Muriyari Hamerarete kara~ | 2018-10-04 | 6.60 (157) |
| Imouto Kansatsu Chu! | 2013-08-30 | 5.90 (21) |
| Imouto Kansatsu Nikki | 2002-12-13 | 6.10 (8) |
| Imouto Kansatsu Nikki 2 | 2004-10-15 | 6.00 (5) |
| Imouto Koukan! | 2009-08-28 | 5.80 (10) |
| Imouto Kyuudaiten | 2016-08-16 | - |
| Imouto Life | 2011-08-13 | - (1) |
| Imouto NEET Kousei Choukyou | 2015-06-19 | 6.10 (74) |
| Imouto Netori ~Mi mo Kokoro mo Onii-chan no Mono~ | 2014-05-30 | 6.00 (255) |
| Imouto Oma*ko Namachuukei | 2009-12-24 | - (2) |
| Imouto Paradise! 2 ~Onii-chan to Gonin no Imouto no Mo~tto! Ecchi Shimakuri na Mainichi~ | 2013-05-31 | 7.00 (1035) |
| Imouto Paradise! 3 ~Onii-chan to Gonin no Imouto no Sugo~ku! Ecchi Shimakuri na Mainichi~ | 2018-01-26 | 7.00 (647) |
| Imouto Paradise! ~Onii-chan to Gonin no Imouto no Ecchi Shimakuri na Mainichi~ | 2011-01-28 | 6.60 (2224) |
| Imouto Pet ~Repure~ | 2008-08-17 | 6.70 (48) |
| Imouto Piano ~Onii-chan no Ooki na Takt de Rhythm o Kizande!~ | 2014-01-24 | 6.20 (17) |
| Imouto Rental | 2003-02-21 | - |
| Imouto Reshipi <e-moterecipe> | 2004-08-27 | - (4) |
| Imouto Saimin ~Namaiki Imouto o Saiminjutsu de Iinari ni! ...Shita Tsumori ga, Ore no Hou ga Yarare Makutteru Ken ni Tsuite~ | 2016-09-02 | 5.40 (23) |
| Imouto Scramble | 2017-10-02 | 6.20 (15) |
| Imouto Senbatsu☆Sousenkyo ~365-nin no Imouto Icha Love Manifest~ | 2011-12-22 | 6.60 (82) |
| Imouto Shiyoujo | 2008-12-30 | - (1) |
| Imouto Shokushu Rape ~Fukushuu no Shojo Kantsuu~ | 2007-05-18 | 6.80 (5) |
| Imouto Smile | 2009-11-27 | 6.80 (31) |
| Imouto Spiral | 2013-09-27 | 7.10 (32) |
| Imouto Style | 2011-07-29 | 6.90 (49) |
| Imouto Suikan Nau ~Itsudatte Nemutai Imouto to Nemurenai Ore~ | 2012-11-08 | - (2) |
| Imouto Taisou ~Oshiete Onii-chan~ | 2005-08-14 | - |
| Imouto Tokku ~Imouto to Kekkon Dekiru Ii Jidai ni Narimashita~ | 2016-07-15 | 6.60 (22) |
| Imouto Tousatsu ~Jitaku Stalker~ | 2015-05-29 | 5.80 (21) |