| Oops! I Mistook the Target of My Strategy. Now What? | Web Novel | chinese | 3.9 |
| Oops! The Black Lotus Can’t Be a Female Supporting Character | Web Novel | chinese | 3.5 |
| Oops! The Female Supporting Character Took on the Villain Role After Being Reborn | Web Novel | chinese | 3.9 |
| Open Your M**th, Not Your L*gs | Web Novel | chinese | 3.2 |
| Open a Clinic to Cultivate Myself | Web Novel | chinese | 3.0 |
| Open a Street Stall and Sell Vigorously | Web Novel | chinese | 3.1 |
| Open the Door | Web Novel | korean | 3.5 |
| Opening My Eyes After Death and Returning to the Pre-Marriage Period, Kicked the Scumbag and Married the Military Officer | Web Novel | chinese | 2.5 |
| Opening Reward 100 Million Lives | Web Novel | chinese | 4.1 |
| Opening a Dessert Shop in Another World, Enjoying a Happy Cat Life | Web Novel | chinese | 4.0 |
| Opening a Shop in the Nightmare World | Web Novel | chinese | 4.3 |
| Opening an Antique Shop and Getting Rich Through All the Worlds | Web Novel | chinese | 3.3 |
| Operation: Seducing the Duke | Web Novel | korean | 3.8 |
| Ophiuchus | Web Novel | chinese | 4.2 |
| Oppai Momitai~tte Sakendara, Imouto no Tomodachi to Tsukiau Koto ni Narimashita | Web Novel | japanese | 3.8 |
| Or*y Amusement Park | Web Novel | chinese | 3.0 |
| Oran Knight Military Academy 1-C Diary of Lux’s Sniper | Web Novel | japanese | 3.6 |
| Orange Storm | Web Novel | chinese | 4.4 |
| Orc Eiyuu Monogatari Sontaku Retsuden | Web Novel | japanese | 4.2 |
| Orc Husband, Please Be Gentle | Web Novel | chinese | 3.2 |
| Ordered to Marry Thrice, The Mysterious Wangfei | Web Novel | chinese | 3.5 |
| Ordinary Days Of Taking Shelter From the Rain With A Gatekeeper Girl | Light Novel | japanese | 3.8 |
| Ordinary Guy In Apocalypse | Web Novel | chinese | 3.2 |
| Ordinary I and Extraordinary Them | Web Novel | japanese | 3.8 |
| Ordinary Person A | Web Novel | korean | 3.7 |
| Ordinary Person × Modern Dungeon × Summer Vacation Life = Rise to Success!? 〜A Private Dungeon Was Made at the Remains of a Secret Base From Childhood〜 | Web Novel | japanese | 3.1 |
| Ore Dake Kaereru Kurasu Teni | Web Novel | japanese | 3.5 |
| Ore Ga Chōzetsu Na Osananajimi Ni Seishin O Hakai Sarete Ochiru Made | Web Novel | japanese | 2.8 |
| Ore No Koto Ga Daisukina Osananajimi To Tsuriau Yō Doryoku Shite Itara, Ano Toki Tasuketa Aidoru Ga Tenkō Shite Kite Gakkō Ga Shuraba To-ka Shite Imasu | Web Novel | japanese | 3.6 |
| Ore No “Zen Jido Shien” De Nakama Tachi Ga Sekai Saikyo ~ Soko Ni Iru Dake Mujikaku Musou ~ | Web Novel | japanese | 3.2 |
| Ore ga Heroine o Tasukesugite Sekai ga Little Mokushiroku!? | Light Novel | japanese | 4.4 |
| Ore ga Inmajutsu de Dorei Harem wo Tsukuru Hanashi | Web Novel | japanese | 3.0 |
| Ore ga Isekai Dungeon da! – Tensei Shitara Karada ga Dungeon to Kashiteita | Web Novel | japanese | 4.0 |
| Ore ga Ojou-sama Gakkou ni “Shomin Sample” Toshite Rachirareta Ken | Light Novel | japanese | 3.6 |
| Ore ga Suki nano wa Imouto dakedo Imouto ja Nai | Light Novel | japanese | 4.1 |
| Ore no Imouto ga Konna ni Kawaii Wake ga Nai | Light Novel | japanese | 3.8 |
| Ore no Imouto ga Saikou no Okazu Datta (WN) | Web Novel | japanese | 3.4 |
| Ore no Imouto to Railgun Collaboration Project! | Web Novel | japanese | 3.5 |
| Ore no Imōto ga Saikō no Okazudatta | Light Novel | japanese | 2.4 |
| Ore no Isekai Shimai ga Jichou Shinai! | Web Novel | japanese | 3.3 |
| Ore no Kanojo to Osananajimi ga Shuraba Sugiru | Light Novel | japanese | 4.0 |
| Ore no Kioku ga nai Isekai no Danjon to Maho no Gakko | Web Novel | japanese | 2.3 |
| Ore no Negai wa | Web Novel | japanese | 4.3 |
| Ore no Nounai Sentakushi ga, Gakuen Rabukome o Zenryoku de Jama Shite Iru | Light Novel | japanese | 3.8 |
| Ore no Ongaeshi: High Spec Murazukuri (LN) | Light Novel | japanese | 3.7 |
| Ore no Ongaeshi: High Spec Murazukuri (WN) | Web Novel | japanese | 3.8 |
| Ore no Real to Netgame ga Love Comedy ni Shinshokusare Hajimete Yabai | Light Novel | japanese | 3.6 |
| Ore no Sekai Kouryakubon! | Web Novel | japanese | 3.2 |
| Ore no “Kantei” Skill ga Cheat Sugite – Densetsu no Yuusha o Yomi “Tori” Saikyou e | Web Novel | japanese | 3.5 |
| Ore to Kanojo ga Geboku de Dorei de Shuujuu Keiyaku | Light Novel | japanese | 3.4 |