ゆーだい ( - )

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On Recordings (2)

Vocals

1. 約束（musicbox Ver） 3:36 ゆーだい & 蛍灯翔 (14 Aug 2010)
2. 約束 3:35 ゆーだい & dai (31 Dec 2010)

Credited as (2)

1. ゆーだい & 蛍灯翔
2. ゆーだい & dai