Whats the name of this anime song?!

Question: Im a huge jpop fan and ive been meaning to find the name of this song thats on the trailer to Ramma 1/2. The Trailer can be found here http://www.youtube.com/watch?v=t0ahJD7zy... . Can anyone tell me the name and artist of this song?

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Answers: Im a huge jpop fan and ive been meaning to find the name of this song thats on the trailer to Ramma 1/2. The Trailer can be found here http://www.youtube.com/watch?v=t0ahJD7zy... . Can anyone tell me the name and artist of this song?

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Don't you know (its love)

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Don't you know (it's love) -Ranma 1/2

i looked on the sites that had it and for the artist it doesn't say

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