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| Name | Alternative/Original Name | Notes | Artist | Availability |
|---|---|---|---|---|
| Rain | Perfect Report OST | YUI | KY | |
| raison detre | DIR EN GREY | TJ | ||
| Raison d'Etre | レゾンデートル | Claymore OP | NIGHTMARE | KY |
| Rakuen | 楽園 | Inuyasha Movie 4 OST | Do As Infinity | KY TJ |
| READY STEADY GO | Fullmetal Alchemist OP2 | L'Arc~en~Ciel | KY TJ | |
| real Emotion | Final Fantasy X-2 OST | Kumi Kouda | KY TJ | |
| Realize | Gundam Seed OP4 | Nami Tamaki | KY TJ | |
| Reason | Gundam Seed Destiny ED1 | Nami Tamaki | KY TJ | |
| Reasons | Earth, Wind & Fire | KY P TJ | ||
| REDEMPTION | Dirge of Cerberus: FF VII OST | Gackt | KY | |
| Rein no Sekai | 澪音の世界 | SOUND HORIZON | KY TJ | |
| Re:make | ONE OK ROCK | KY | ||
| Re(mark)able | Arashi | KY | ||
| REPLAY MACHINE -custom- | リプレイマシン－custom－ | Omoide Kawaru Kimi: Memories Off OST | Nana Mizuki | TJ |
| RESISTANCE | Tsubasa no Oreta Tenshitachi OST | Mika Nakashima | KY | |
| resonance | Soul Eater OP1 | T.M.Revolution | KY TJ | |
| RETURNER ~Yami no Shuuen~ | RETURNER～闇の終焉～ | Fuurin Kazan OST | Gackt | KY |
| Rewrite | リライト | Fullmetal Alchemist ED4 | ASIAN KUNG-FU GENERATION | KY TJ |
| RHYTHM EMOTION | Gundam Wing OP2 | TWO-MIX | KY TJ | |
| Ride on shooting star | FLCL ED | the pillows | KY TJ | |
| RIMFIRE | Kuroko no BASUKE OP2 | GRANRODEO | KY | |
| Ringo Mogire BEAM! | 林檎もぎれビーム! | (Zan) Sayonara, Zetsubou-Sensei OP | Kenji Ohtsuki | KY |
| Ringo no Uta | りんごのうた | Ringo Sheena | KY TJ | |
| Rising Hope | Mahouka Koukou no Rettousei OP1 | LiSA | KY | |
| RIVER | Gundam Seed ED2 | Tatsuya Ishii | KY TJ |