ed 1996 Nande Darou (Kochikame Version) なんでだろう~こち亀バージョン~ from Kochira Katsushikaku Kameari Kouenmae Hashutsujo (1996) as singer/writer
ed 1996 Nande Darou (Ryou-san Version) なんでだろう~両さんバージョン~ from Kochira Katsushikaku Kameari Kouenmae Hashutsujo (1996) as singer/writer
