"Sorafune"/"Do! Do! Do!" is a double A-Side single by the Japanese boy band Tokio, released on August 23, 2006. It is the thirty-sixth release for the group, and also has been their most commercial successful effort after their 1995 best-selling debut single "Love You Only"."Sorafune" was composed by Japanese recording artist Miyuki Nakajima, who has also gained success as a songwriter for other interpreters such as Naoko Ken and Shizuka Kudo throughout her three decade spanning career.