Quadrangle - Reason Triangle
Genre: Rock, Pop
Style: Indie Rock, Pop Rock
Country: Japan
Label(s): Kadokawa Shoten Publishing Co., Ltd. (ZMCZ-10609 (TGCS-9279, TGBS-9097))
More from: Quadrangle
CD.1. Quadrangle - Reason Triangle 4:24CD.2. Quadrangle - Sad Song 4:29CD.3. Quadrangle - Reason Triangle (Instrumental) 4:23CD.4. Quadrangle - Sad Song (Instrumental) 4:29DVD.1. Quadrangle - Reason Triangle (MV) 4:25DVD.2. Quadrangle - Sad Song (Studio Live) 4:31