Tracklist Hide Credits

1	Key Arranged By – Toshiro YabukiLyrics By – Masami OkuiMusic By – Toshiro Yabuki	3:49
2	手のひらの破片 Arranged By – Toshiro YabukiLyrics By – Masami OkuiMusic By – Toshiro Yabuki	4:33
3	Key (Off Vocal Version)	3:47
4	手のひらの破片 (Off Vocal Version)	4:30

Notes

18th single released by Okui Masami. The title track was used as the opening song of the radio drama: Akihabara Dennou Gumi (Cyberteam in Akihabara). The single reached #49 on the Oricon weekly charts, charted for two weeks, selling 8,470 copies.

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