"Oh! Rival" is a song released by Porno Graffitti on the SME Records label on April 8th, 2015.
The song was used as the theme song for the anime film, "Meitantei Conan: Gouka no Himawari".
The song appears as track #1 on their forty-second single "Oh! Rival" and as track #2 on their tenth album "RHINOCEROS".
