| Name | Alternative/Original Name | Notes | Artist | Availability |
|---|---|---|---|---|
| I am... | Ayumi Hamasaki | KY TJ | ||
| Ichiban Kirei na Watashi wo | 一番綺麗な私を | Unubore Deka OST | Mika Nakashima | KY TJ |
| Ichiban no Takaramono | 一番の宝物 | Angel Beats Insert Song (LiSA vocals) | Girls Dead Monster | KY |
| ideal white | Fate/stay night: Unlimited Blade Works OP 1 | Mashiro Ayano | KY | |
| if | Naruto Shippuden Movie 4 OST | Kana Nishino | KY TJ | |
| IGNITE | Sword Art Online II OP1 | Eir Aoi | KY | |
| ignited | ignited-イグナイテッド- | Gundam Seed Destiny OP1 | T.M.Revolution | KY TJ |
| I HAVE NEVER SEEN | Yonige-ya Honpo OST | Namie Amuro | KY TJ | |
| infinity | 〜infinity〜∞ | Lost Universe OP | Megumi Hayashibara | KY |
| INFINITY | Macross Frontier Insert Song | Sheryl Nome starring May'n | KY TJ | |
| INNOCENCE | Sword Art Online OP2 | Eir Aoi | KY | |
| innocent starter | Nanoha OP | Nana Mizuki | KY TJ | |
| in the moonlight | Gravitation OAV Insert Song | BAD LUCK | TJ | |
| INVOKE | Gundam Seed OP1 | T.M.Revolution | KY TJ | |
| I remember you | YUI | TJ | ||
| I, Texas | 愛, テキサス | Ending Planner OST | Tomohisa Yamashita | KY |
| Iteza Gogo Kuji Don't be late | 射手座☆午後九時Don't be late | Macross Frontier Insert Song | Sheryl Nome starring May'n | KY |
| It's all too much | Kaiji Movie OST | YUI | KY TJ | |
| It's gonna rain! | Rurouni Kenshin ED5 | BONNIE PINK | TJ | |
| It's Happy Line | Taiyou no Uta OST | YUI | KY | |
| It's My Life | YUI | KY TJ | ||
| I Wanna Go To A Place... | Gundam Seed Destiny ED3 | Rie Fu | KY | |
| I Will | Fullmetal Alchemist ED4 | Sowelu | KY TJ | |
| I WISH | Morning Musume | KY TJ | ||
| JEWEL SONG | BoA | KY TJ |