| Name | Alternative/Original Name | Notes | Artist | Availability |
|---|---|---|---|---|
| Ichiban no Takaramono | 一番の宝物 | Angel Beats Insert Song (LiSA vocals) | Girls Dead Monster | KY |
| Ichirin no Hana | 一輪の花 | Bleach OP3 | HIGH and MIGHTY COLOR | KY TJ |
| 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 |
| IMAGINATION | イマジネーション | Haikyuu!! OP1 | SPYAIR | KY |
| 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 SORROW | D.Gray-man OP1 | abingdon boys school | KY TJ | |
| 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 | |
| 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 | |
| I Wanna Go To A Place... | Gundam Seed Destiny ED3 | Rie Fu | KY | |
| I Want You | Jojo's Bizarre Adventure: Diamond is Unbreakable ED | Savage Garden | KY P TJ | |
| I Will | Fullmetal Alchemist ED4 | Sowelu | KY TJ | |
| JAP | Sengoku Basara OP | abingdon boys school | KY TJ | |
| Jiyuu no Tsubasa | 自由の翼 | Shingeki no Kyojin OP2 | Linked Horizon | KY |
| Junketsu PARADOX | 純潔パラドックス | Blood-C ED | Nana Mizuki | KY |
| JUST COMMUNICATION | Gundam Wing OP1 | TWO-MIX | KY TJ | |
| Kaguya no Shiro de Odoritai | 輝夜の城で踊りたい | Love Live Single | μ's | KY |