| Sore Jaa, Mata ne. | 2005-06-29 | 6.70 (250) |
| Sore Nante Eroge? | 2020-01-25 | - |
| Sore Yuke Nanpa-kun | 1991-10-04 | - (1) |
| Sore Yuke! Bell Kage Gakuen | 2019-04-01 | - |
| Sore de mo Ore wa Yatteyaru! | 2009-04-28 | 6.40 (7) |
| Sore ga Bokura no Ren'ai Seikatsu Fandisc | 2005-04-01 | - |
| Sore ga Sore de Sou Naraba | 2015-07-05 | - |
| Sore wa Kanawanu Negaigoto | 2009-06-18 | - |
| Sore wa Kitto Manga no You na | 2019-11-27 | - |
| Sore wa Machigai datta | 2012-06-19 | - |
| Sore wa Maichiru Sakura no You ni | 2002-06-28 | 7.20 (133) |
| Soredake | 2016-11-05 | - |
| Soredemo Kimi ga | 2006 | - |
| Soredemo Tsuma o Ai Shiteru | 2011-03-25 | 7.70 (212) |
| Soredemo Tsuma o Ai Shiteru 2 -Jokyoushi Tsuma: Marika no Baai- | 2017-09-29 | 7.60 (187) |
| Soredemo, Watashi wa Aishiteiru | 2009-07-27 | - (2) |
| Soredewa Douka Ogenki de | 2019-05-19 | - |
| Sorekara Doushita | 2012-08-11 | - (2) |
| Sorenona | 2006-12-17 | - (4) |
| Sorenona -And to End- | 2008-03-16 | - (2) |
| Sorera wa Subete Itsuwari no | 2015-09-08 | - |
| Soresuta - Yukemuri Ryojou Hen | 2008-09-28 | - |
| Soreyori no Prologue | 2015-02-27 | 7.70 (247) |
| Sorority Rites | 2017-11-17 | 5.80 (11) |
| Sorority Sister Sleuths: London Calling | - | - |
| Sorrow | 2021-11-29 | - (2) |
| Sorry Do I Know You? | 2024-07-14 | - (1) |
| Sorry, Grandma! | - | - |
| Sort of Justice | 2024-07-14 | - (3) |
| Sortieange Mahou Club | 2007-09-28 | - (4) |
| Sortilegio | 2025-12-20 | - |
| Soshage no Gacha o Saseru Kawari ni ****gakusei no Karada o Suki Houdai ni Shita Hanashi | 2015-12-29 | 5.70 (16) |
| Soshite Ashita no Sekai yori | 2007-11-22 | 7.50 (174) |
| Soshite Bokura wa Sekai o Kowasu | 2014-12-15 | - (1) |
| Soshite Bokura wa, | 2004-01-30 | 6.20 (6) |
| Soshite Gusha-tachi wa Kotou ni Tsudou | 2013-05-22 | - |
| Soshite Hatsukoi ga Imouto ni Naru | 2016-05-27 | 7.30 (104) |
| Soshite Kanojo wa, Naien no Tsuma to Natta... | TBA | - |
| Soshite Kikai wa Ningen Tarieta no ka | 2021-03-06 | - (1) |
| Soshite Kimi Iro e | 2023-07-13 | - |
| Soshite Kirameku Otome to Himitsu⁵ | 2013-11-29 | 6.40 (48) |
| Soshite Kono Sora ni Kirameku Kimi no Uta | 2006-05-25 | - (1) |
| Soshite Kono Sora ni Kirameku Kimi no Uta XXX | 2007-02-22 | - |
| Soshite Mata Aruki Dasu | 2015-12-02 | - |
| Soshite Sekai wa Inaku Natta | 2021-12-31 | - |
| Soshite Sorekara Sonotoki ni | 2015-10-27 | - |
| Soshite, Heisoku no Neji o Maku | 2008 | - |
| Soshite, Itoshi no Ouji-sama. | 2015-06-15 | - |
| Soshite, Kanojo wa Netorareru ~Musubareta Hazu no Osananajimi wa, Betsu no Otoko no Ue de Koshi o Futteita~ | 2021-01-29 | 5.60 (21) |
| Soshite... | 2013-09-09 | 5.10 (5) |