『ソードアート・オンライン』Sword Art Online -Extra Edition- Bonus Disc – Heart Sweet Heart (SAO)
| Performer | Kanae Ito |
| Release Date | April 23, 2014 |
| Tracklist | 01 Heart Sweet. Heart 02 Heart Sweet. Heart -Instrumental- |
| MP3/FLAC Size | 19MB | 90MB |
| Download MP3 | LINK |
| Listen on: Spotify | LINK |
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