| Doctor Tanishitei Joshigakuin Kishukusha Monogatari | 2011-08 | - |
| Doctor Simulator | TBA | - |
| Doctor Amana, Sexual Therapist | 2020-02-24 | 6.40 (17) |
| Doce6 | 2022-01-24 | 6.90 (6) |
| Doce Fim ~sweetend placebo~ | TBA | - |
| Docchikame: Choukou! Horegusuri | 2008-10-04 | - |
| Docchi no i ga Suki Desu ka? | 2019-11-29 | 7.80 (214) |
| Docchi no An'yo | 2020-11-21 | 5.70 (5) |
| Docchi ni Suru no!? ~Onna Kyoushi to Kouhai to ...... Tokidoki Hitozuma~ | 2008-08-15 | 6.90 (6) |
| Docchi mo Kocchi | 2024-09-19 | - |
| Docchi de mo Iin Ja Naai!? Bakyun★ | 2013-05-03 | - |
| Dobyurururuu!!! Sanane ga Kiru! Shasei Dorei Shin-kun no Junan! "Onee-chan-tachi Yamete! Kore Ijou Dashitara Boku wa Mou..." Gekokujou mo Aru yo? | 2008-03-21 | - (4) |
| Dobugawa ni Chirinu Hatsukoi no | 2020-05-01 | 6.50 (13) |
| Dobro pozhalovat' v Omsk | 2012-04-12 | 6.00 (21) |
| DoNoR - Onna Tantei Ryoujoku | 2002-03-08 | 5.60 (7) |
| Do(n't) Touch That Dial! | 2025-07-21 | - |
| Do you wanna job? | 2024-12-01 | - |
| Do you think we're soulmates in every universe? | 2024-04-15 | - (1) |
| Do you like sweets? | 2023-07-27 | 6.30 (6) |
| Do you believe in love after life? | - | - |
| Do or Die | 2023-10-31 | - (1) |
| Do me a Favour | 2021-07-23 | - |
| Do You Like Sweet OR Bitter? | 2015-11-01 | - (3) |
| Do You Like Pie? | - | 4.60 (15) |
| Do You Like Italian Food? | 2026-03-14 | - |
| Do You Believe? | 2025-09-29 | - |
| Do Ya Do!? ~Ecchi na Order Hairimashita!~ | 2009-07-11 | - (4) |
| Do Wolves Dream of Rabbits? | 2021-12-17 | - |
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| Do S na Sparta Kyonyuu Jokyoushi o Kyokon de Do M na Haramase Onaho ni Shita Gakuen Seikatsu Nisshi | 2016-10-28 | 5.90 (54) |
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| Do S na OL Joou-sama ~Toshishita no Buka ni M Otoko Choukyou Sareru Joushi~ | 2017-09-29 | 6.30 (70) |
| Do S na Kare to Himitsu no Keiyaku Kekkon | 2020-05-13 | - |
| Do S Ane to Do S Imouto ~Otonashii Shotakko ga Do S na Onee-sama to Do S na Imouto-sama ni Ijimerare Shasei Saseraremakuru ADV♪ Hentai Mazo na Hajisarashi Ochinchin Kara, Hai Doppyun♪~ | 2014-07-25 | 5.10 (146) |
| Do S Ane to Boku no Hounyou Kankei | 2008-08-08 | 5.70 (17) |
| Do Not Love - Violators Will Be Shot | - | - (2) |
| Do Not Kill me Jacob!! | 2021-07-15 | 6.50 (13) |
| Do No Harm: After Dark | 2025-12-10 | - (1) |
| Do No Harm | 2025-05-21 | - (1) |
| Do NOT Take This Cat Home | 2023-10-29 | 7.30 (32) |
| Do M na Otoko no Ko wa Suki Desu ka ~Ijimeraretai, Nonoshiraretai, Oshiri no Ana o Okasaretai~ | 2014-09-13 | 5.50 (10) |
| Do M na High Elf-san to Isekai Haramase Slow Life | 2017-07-21 | 5.80 (46) |
| Do M Sensei Kyousei Monogatari | 2014-08-15 | 4.90 (19) |
| Do M Otoko Tantei ga Iku Katte ni Ittara Oshioki yo! | 2012-02-03 | 5.90 (260) |
| Do M Otoko Tantei ga Iku 3 Anata no xx, Muite Ageru♪ | 2014-10-03 | 6.10 (41) |
| Do M Otoko Tantei ga Iku 2 ~Watashi no Shimobe ni Narinasai!~ | 2013-02-01 | 6.10 (140) |
| Do M Niizuma! Do S Imouto! Himitsu de H! | 2010-09-04 | - (4) |
| Do M Imouto no Roshutsu Yuugi ~Dare ni mo Ienai Himitsu no Asobi~ | 2021-08-13 | 5.60 (28) |
| Do M Imouto Onedari Kojin Lesson ~Watashi no SEX Katei Kyoushi Onii-chan~ | 2018-04-19 | 6.70 (106) |
| Do I Love You? | - | - |