| Name | Alternative/Original Name | Notes | Artist | Availability |
|---|---|---|---|---|
| Motto Hade Ni Ne! | motto☆派手にね! | Kannagi OP | Haruka Tomatsu | KY TJ |
| Mugen | 夢幻 | White Album OP2 | Nana Mizuki | KY |
| MYSTIC EYES | Escaflowne ED | h-wonder | TJ | |
| Natsuiro Egao de 1,2,Jump! | 夏色えがおで1,2,Jump! | Love Live Single | μ's | KY |
| NICE na Kokoroiki | ナイスな心意気 | Kochikame ED11 | Arashi | KY TJ |
| NightmaRe | Jigoku Shoujo Futakomori OP | SNoW | TJ | |
| Niji | 虹 | Rurouni Kenshin Movie OP | L'Arc~en~Ciel | KY TJ |
| Ninjin to GURIGURI | にんじんとグリグリ | Granzort Insert Song | Megumi Hayashibara | TJ |
| NIWAKA AME NI MO MAKEZU | ニワカ雨ニモ負ケズ | Naruto Shippuden OP13 | NICO Touches the Walls | KY |
| No brand girls | Love Live Insert Song | μ's | KY | |
| Nocturne -revision- | Memories Off 2nd OP | Nana Mizuki | TJ | |
| NORTHERN CROSS | ノーザンクロス | Macross Frontier ED3 | Sheryl Nome starring May'n | KY TJ |
| Northern lights | Shaman King OP2 | Megumi Hayashibara | KY TJ | |
| O2 | Code Geass R2 OP1 | ORANGE RANGE | KY TJ | |
| OASIS | Shin Hokuto no Ken ED | Gackt | TJ | |
| oath sign | Fate/Zero OP | LiSA | KY | |
| oblivious | Kara no Kyoukai Movie ED | Kalafina | KY TJ | |
| Odoru Akachan Ningen | 踊る赤ちゃん人間 | Welcome to the N.H.K. ED1 | Kenji Ohtsuki | KY TJ |
| Ohayou | おはよう。 | Hunter X Hunter OP1 | Keno | KY TJ |
| Omokage | おもかげ | Shaman King ED2 | Megumi Hayashibara | KY |
| One day | One Piece OP13 | The ROOTLESS | KY | |
| One More Time, One More Chance | 5 Centimeters Per Second ED | Masayoshi Yamazaki | KY TJ | |
| only my railgun | To aru Kagaku no RAILGUN OP1 | fripSide | KY TJ | |
| Overfly | Sword Art Online ED2 | Luna Haruna | KY | |
| Over Soul | Shaman King OP1 | Megumi Hayashibara | KY TJ |