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"Koi Shiyō" (恋しよう) is the second single by J-pop singer Leah Dizon. It was released on May 30, 2007. The regular edition includes a bonus sixfold mini-poster, while the Limited Edition includes a bonus DVD which contains a music video, and making-of footage.[1] To promote the single, the song "Could you be that one?" was featured in the Tecmo commercial for Ninja Gaiden Sigma.
