Infinity (Megumi Hayashibara song)
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| "Infinity" | ||||
|---|---|---|---|---|
 8-cm CD single cover | ||||
| Single by Megumi Hayashibara | ||||
| from the album Vintage S | ||||
| Language | Japanese | |||
| B-side | "Extrication" | |||
| Released | April 24, 1998 | |||
| Genre | ||||
| Length | 4:30 | |||
| Label | Starchild | |||
| Composer | Hidetoshi Sato | |||
| Lyricist | Megumi | |||
| Megumi Hayashibara singles chronology | ||||
| ||||
| Audio | ||||
| "Infinity" on YouTube | ||||
"Infinity"[a] is a song by Japanese voice actress and recording artist Megumi Hayashibara. Written by Hidetoshi Sato with lyrics penned by Hayashibara[b], the song was released as a single on April 24, 1998, via Starchild.[1]
The title track served as the opening theme for the TV Tokyo anime series Lost Universe created by Hajime Kanzaka, which happens in a world parallel to the one of Slayers.[2] The anime, in which Hayashibara also voiced the character Canal Volphied, aired from April through September 1998 in Japan.[3][4][5]
For the single release, the song was coupled with "Extrication", which served as ending theme for the same anime series.[3] Both songs first appeared in full on the soundtrack album Lost Universe Tracks Contents 1 released on July 3, 1998,[6] with subsequent Lost Universe albums including several alternative versions of the track.[7] It was not included on any studio album by Hayashibara, but it was later included on her best-of album Vintage S, released on April 26, 2000.[8]
The single was made available for streaming on March 30, 2021, along with the entire Megumi Hayashibara discography.[9] The alternative versions of both "Infinity" and "Extrication" were made available for streaming by King Records on July 8, 2025, along with the entire Lost Universe discography.[10]
Commercial performance
"Infinity" debuted and peaked at number 8 on the Oricon charts,[11] selling 64,040 copies on its first week.[12] The single charted for nine weeks and sold a total of 141,510 copies, making it Hayashibara's fourth highest-selling single. Among her non-Slayers-related tie-in singles, it holds the top sales position.[13]
Cover versions
Voice actor Sōichirō Hoshi covered the song under the title "Re:Infinity"[c] on his 2007 single "Starting Again".[14]
Track listing and versions
| No. | Title | Lyrics | Music | Arrangement | Length |
|---|---|---|---|---|---|
| 1. | "Infinity" | Megumi | Hidetoshi Sato | Keiji Soeda | 4:30 |
| 2. | "Extrication" | Satomi Arimori | Toshiyuki Ōmori | Ōmori | 4:39 |
| 3. | "Infinity" (off vocal version) | 4:30 | |||
| 4. | "Extrication" (off vocal version) | 4:36 |
