Koi no Jubaku (恋の呪縛; Love's Spell) is Berryz Koubou's 5th single. It was released on November 10, 2004 in a Regular Edition (PKCP-5045). The Promotional video of this single comes in "Berryz Koubou Single V Clips ①". The single reached #13 on the Oricon charts and charted for three weeks, selling 16,436 copies. No Single V was released for this single. The PV, Smile Version, and Making of are all featured on Berryz Koubou Single V Clips ①. The song appears on the album Dai ② Seichouki as track #5 and on the album Berryz Koubou Special Best Vol.1 as track #7.