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1	それは突然やってくる Arranged By – Toshiro YabukiLyrics By – Masami OkuiMusic By – Toshiro Yabuki	4:13
2	Eternal Promise (Deck Version) Arranged By – Masami OkuiLyrics By – Masami OkuiMusic By – Masami Okui, Toshiro Yabuki	5:45
3	それは突然やってくる (Instrumental)	4:13
4	Eternal Promise (Deck Version) Instrumental	5:48
5	Labyrinth～Live～	4:35
6	時に愛は～Live～ (Itaru Ver.)	5:15

Companies, etc.

• Phonographic Copyright (p) – King Record Co. Ltd

Notes

21th single released by Okui Masami. The second track was used as the insert song of the anime series: Soreyuke! Uchuu Senkan Yamamoto Yohko. The single reached #44 on the Oricon weekly charts, charted for two weeks, selling punctually 10,000 copies.