"I Believe You ~Ai no Hana~" (I believe you ～愛の花～, lit.

"I Believe You ~Flower of Love~") is a song by Japanese singer-songwriter Rina Aiuchi.

It was released on 7 May 2008 through Giza Studio, as the fourth single from her sixth studio album Trip.

The single reached number seventeen in Japan and has sold over 8,303 copies nationwide.

[1] The song served as the theme songs to the Japanese television show, Koisuru Hanikami.