| Seisei suru hodo, Aishiteru | Seisei suru hodo, Aishiteru | — |
| Sengyō Shufu Tantei: Watashi wa Shadow | Watashi wa Shadow | — |
| Senpai, This Can't Be Love! | Senpai, This Can't Be Love! | — |
| Sensei no Otoriyose | Sensei no Otoriyose | — |
| Sexy Tanaka-san | Sexy Tanaka-san | — |
| Shanai Shokeinin: Kanojo wa Teki o Keshite Iku | Shanai Shokeinin: Kanojo wa Teki o Keshite Iku | — |
| She Loves to Cook, and She Loves to Eat | Tsukuritai Onna to Tabetai Onna | — |
| Shiawase no Jikan | Shiawase no Jikan | — |
| Shiawase wa Tabete Nete Mate | Shiawase wa Tabete Nete Mate | — |
| Shigatsu no Tokyo wa... | Shigatsu no Tokyo wa... | — |
| Shikyū Ren'ai | Shikyū Ren'ai | — |
| Shimobē | Shimobē | — |
| Shimokita Glory Days | Shimokita GLORY DAYS | — |
| Shin Kaze no Rondo | Kaze no Rondo | — |
| Shinigami-kun | Shinigami-kun | — |
| Shinjuku Seven | Shinjuku Seven | — |
| Shinjuku Swan | Shinjuku Swan | — |
| Shinmai Shimai no Futari Gohan | Shinmai Shimai no Futari Gohan | — |
| Shinyū wa Akujo | Shinyū wa Akujo | — |
| Shiratori Reiko de Gozaimasu! | Shiratori Reiko de Gozaimasu! | — |
| Shitsuren Chocolatier | Shitsuren Chocolatier | — |
| Shiyakusho | Shiyakusho | — |
| Short Program | Short Program | — |
| Shrink | Shrink | — |
| Sins of Kujo | Kujō no Taizai | — |
| Sister | Sister | — |
| Smoke Blue no Ame nochi Hare | Smoke Blue no Ame nochi Hare | — |
| Smoking Gun | Smoking Gun - Minkan Kasōken Chōsa'in Nagareda Midori | — |
| Snack Kizutsuki | Snack Kizutsuki | — |
| Soko o Nantoka | Soko o Nantoka | — |
| Solo Camping for Two | Futari Solo Camp | — |
| Something's Wrong with Us | We are not ourselves today | — |
| Sono Onna, Jiruba | Sono Onna, Jiruba | — |
| Soredemo Ai o Chikaimasu ka? | Soredemo Ai o Chikaimasu ka? | — |
| Sparrowhawk | — | — |
| Spiral Labyrinth – DNA Forensic Investigation | Helical Labyrinth | — |
| Steel Angel Kurumi Pure | Steel Angel Kurumi | — |
| Sugar Dog Life | Sugar Dog Life | — |
| Suki na Otoko to Wakaretai | Suki na Otoko to Wakaretai | — |
| Sumire 16 sai!! | Sumire 16 sai!! | — |
| Suna no Shiro | Suna no Shiro | — |
| Suppli | Suppli | — |
| Sweat and Soap | Sweat and Soap | — |
| Sweet 10: Saigo no Koibito | Sweet 10 | — |
| Sweet Revenge | Sweet Revenge | — |
| Sweet Tooth | Glotón (historieta) | — |
| Switch Girl!! | Switch Girl!! | — |
| Switch Girl!! 2 | Switch Girl!! | — |
| Sword and Beloved | Alma Loba Casamentera | — |
| Taberu dake | Taberu dake | — |