Tsukiatteru no ni Kataomoi (付き合ってるのに片思い; Even Though We're Dating, It's Unrequited Love) is Berryz Koubou's 15th single. It was released on November 28, 2007 in both limited and regular editions. The single reached #6 on the Oricon charts, charted for four weeks, and sold a total of 31,787 copies. No Single V was released for this single. The PV, Close-up Version, and Making of are all featured on Berryz Koubou Single V Clips ③. The title track appears on the album 5(FIVE) as track #11 and on the album Berryz Koubou Special Best Vol.1 as track #14