Song information:
Title: Joy!! Artist: SMAP Music & lyrics: Tsuno Maisa Arrangement: Yoko Kanno Label: Victor Entertainment
The single was released on June 5, 2013.SMAP Joy!!
Yoko Kanno arranged the song Joy!! for SMAP.
This song is the main theme of the drama「幽（かす）かな彼女」(Kasukana Kanojo [trans: My Secluded Girlfriend]).