| I Always Dream of Falling | 2025-05-10 | - |
| I Am | 2018-01-14 | - |
| I Am (Not) A Magical Girl! | - | - |
| I Am A Lamp | 2022-06-27 | - |
| I Am Her Pet | 2022-05-31 | 5.20 (11) |
| I Am Here, I Won't Disappear. I Am Here, I Won't... | 2025-01-24 | - (3) |
| I Am Not A Slut! | - | - (3) |
| I Am Pathetic | - | - |
| I Am The Prosecutor: No Evidence? No Problem! | 2021-04-30 | 5.20 (14) |
| I Am a Princess from Another World | 2023-04-30 | - (1) |
| I Became Gay from Translating My New Roommate's Short Story | - | 6.30 (7) |
| I Became a Femboy to Date One | 2024-03-01 | - (2) |
| I Became a Proper Member of Society and Got a Girlfriend Before Graduation?! | - | - (1) |
| I Became an Evil Witch that Cursed the Male Lead | - | - (1) |
| I Became my Punk Son's Fake Girlfriend | 2025-09-14 | 5.30 (7) |
| I Bet You Will | 2026-05-12 | - |
| I Can Fix Him! | 2026-02-22 | - (3) |
| I Can't Believe These Characters Are So Terrible! | - | 4.80 (45) |
| I Can't Believe These Ponies Are So Terrible! | 2012-06-21 | 4.40 (5) |
| I Can't Believe the Most Popular Girl in School is a Lesbian, Just Like Me! | 2019-12-15 | 6.80 (59) |
| I Can't Take This TV Head Off Unless I Confess to My Ghost Crush! | - | - |
| I Chase You and Hunt You Down For Sport | 2023-07-03 | - |
| I Could Just Eat You Up | 2014-05-25 | 4.00 (8) |
| I Could Only See Her | 2023-07-27 | - (1) |
| I Cup Bonyuu Kangofu ~Chichi Fetish Chichi Sui Hen~ | 2008-01-11 | 6.90 (8) |
| I DOLL NANA | 2006-10-01 | - |
| I DOLL U | 2015-07-16 | 5.90 (20) |
| I Date Good or Evil at Hero’s College | - | - |
| I Did It ALL for the COOKIE! | - | 5.50 (5) |
| I Did Not Buy This Ticket | 2023-04-13 | 6.80 (12) |
| I Didn't Want to Come Here | 2012-12-10 | - (2) |
| I Died & Reincarnated as an Evil Spirit! | 2025-12-02 | - |
| I Don't Belong | - | - (1) |
| I Don't Have A Cue! | - | - (2) |
| I Don't Think of You Anymore | 2024-06-30 | - |
| I Don't Want to Marry Chrom! | 2014-06-01 | 5.90 (5) |
| I Don't Want to be a Magical Girl! | 2024-10-27 | 6.20 (6) |
| I Dreamt of Something Lost | - | - |
| I Expected of You | TBA | - |
| I Fell in Love with a Mailman | - | - |
| I Followed My Rival To A Coffee Shop | 2023-03-31 | - |
| I Gently Open The Door | 2021-02-05 | - (1) |
| I Gently Open the Door 2 | 2021-12-14 | - |
| I Got Isekai'd AND I F***IN' HATE IT! | 2022-04-02 | - (4) |
| I Got Isekai'd Into A World Where I'm A Paraplegic?! | 2023-04-23 | - (4) |
| I Got Reincarnated As a Villainess And It Suits Me! | 2020-08-02 | - (1) |
| I Got Transported Into My How To Draw Manga Book!? | - | - |
| I Have Hired This Anime Girl to Talk to You | 2023-09-06 | 6.40 (7) |
| I Have Known You | 2025-11-22 | - (2) |
| I Have a Boyfriend I Never Met | 2020-07-17 | - |