| Echo | - | - |
| Echo | 2021-03-06 | 8.20 (185) |
| Echinacea | 2007-12-31 | - |
| Echeross | 2004-09-10 | - (2) |
| Ecchicchi na Kare wa Isekaijin ~Datsu Mushoku no Shudan wa Eroge Seisaku~ | 2020-11-22 | - |
| Ecchi no Susume | 1998-10-02 | - (1) |
| Ecchi na Oshigoto ~Omase na Shoujo no Okozukai Kasegi~ | 2016-06-30 | - |
| Ecchi na Onee-san ga Home Helper ni Nattara ~Kyonyuu de Kirei na Onee-san ga Tsukushite Agechau~ | 2015-01-30 | 5.90 (40) |
| Ecchi na Onee-san Bakari no Ryou no Kanrinin ni Nattara Tanetsuke Sex ga Tomaranai | 2020-03-13 | 5.80 (87) |
| Ecchi na Onee-chan ga, Kasshoku Kyonyuu no Succubus Datta Ken | 2023-09-29 | 6.90 (20) |
| Ecchi na Menu Hajimemashita! ~Yariman JK no FamiRes Gohoushi Arbeit~ | 2016-08-26 | 6.30 (56) |
| Ecchi na Maid-san wa Suki Desu ka? | 2008-07-25 | 6.50 (10) |
| Ecchi na Maid-san wa Ojousama to Futanari | 2005-02-15 | - (1) |
| Ecchi na Himitsu Kichi 2 ~Kondo wa Kankinda~ | 2013-11-15 | - (1) |
| Ecchi na Himitsu Kichi | 2012-12-08 | - |
| Ecchi na Douki wa Suki Desu ka? ~Boku wa Kanojo o Nugasete Sodateru~ | 2023-02-10 | 6.20 (42) |
| Ecchi na Bunny-san wa Kirai? 2 | 2002-11-29 | 6.00 (593) |
| Ecchi na Bunny-san wa Kirai? | 2001-03-30 | 5.90 (664) |
| Ecchi de Ichizu na Doinaka Nii-sama to, Koshikiyukashii Byoujaku Imouto | 2025-04-01 | 7.50 (427) |
| Ecchi de Hentai! Yakimochi Ojou-sama!! | 2015-07-24 | 7.00 (49) |
| Ecchi Sketch: Draw Cute Girls Every Day! | 2017-03-06 | 5.50 (62) |
| Ecchi Sensei: Valentine Special | - | - (3) |
| Ecchi Sensei: Lewdmas Special 2019: Hangover | 2019-12-25 | - (3) |
| Ecchi Sensei: Lewdmas & Lewd Year Special | 2018-12-31 | - (3) |
| Ecchi Sensei: Halloween Special | 2018-10-31 | 5.60 (6) |
| Ecchi Sensei: Fapoween Special (Halloween 2019) | 2019-11-01 | - (3) |
| Ecchi Sensei | 2019-08-19 | 6.70 (27) |
| Ecchi Kara Koi o Hiite mo, Tomodachi ni Sae Narenai. | 2013-05-31 | 5.90 (18) |
| Ebony Rose | 2025-09-30 | - |
| Eberouge Special ~Koi to Mahou no Gakuen Seikatsu~ | 1997-09-05 | - |
| Eberouge 2 | 1998-03-06 | - |
| Ebenezer | 2020-11-13 | - |
| Ebenbourg no Kaze | 2002-07-26 | 6.80 (6) |
| Ebb and Flow | 2023-08-05 | - |
| Eat Your Heart: A Mars Route Tale | 2024-11-15 | - |
| Eat Your Heart Valentine! | 2019-05-02 | 5.60 (9) |
| Eat Your Heart Valentine 2 | - | - |
| Eastern Starlight Romance - Eternal Dilemma | - | 7.20 (21) |
| East Tower | 2012-07-26 | 5.80 (62) |
| Earthy Cummy | 2019-08-17 | 4.80 (14) |
| Earthen Hearts | - | - |
| Earth-Chan | 2018-12-08 | - (2) |
| Earth's Last Year: 1999 | 2025-11-30 | - |
| Earth Story | 2022-05-23 | - |
| Earth Halloween | 2024-09-15 | - |
| Earth Girl | 2013-06-02 | 5.00 (12) |
| Earth Boys Are Easy | 2018-11-25 | 5.90 (9) |
| Earn Your Freedom | 2022-02-24 | 6.50 (47) |
| Early Summer Rhapsody | - | - |
| Early Shift | 2025-10-26 | - |