Wikipedia
Yūshinron
is a song by Japanese rock band Radwimps, released on July 26, 2006, as the second of three singles from the band's fourth album, Radwimps 4: Okazu no Gohan.
The song was popular enough to be certified gold by the Recording Industry Association of Japan as a full-length cellphone download nine months after its release, one of four songs from Radwimps 4 to achieve this. The music video of the song was also awarded at the Space Shower Music Video Awards 2007, with the award for Best Art Direction.