Nanchuu Koi wo Yatteruu YOU KNOW? (なんちゅう恋をやってるぅ YOU KNOW？; What a Love I'm in, You Know?) is Berryz Koubou's 7th single. It was released on June 8, 2005 in a Regular Edition. The Single V was released on June 22, 2005 and sold a total of 9,311 copies. This song was used as the ending theme for the anime Patalliro Saiyuki!.