Identify this japanese song please... :(

Hi, I've registred today to ask request something!

here is a movie from Youtube:
http://www.youtube.com/watch?v=pUj8QPdnzqs

I badly want the name of the first song (if possible with the artist)

Optional: the second too^^ (start at 5:50)

I hope someone can help me, would be very awesome!
Thanks in advance!!

Two-Mix - Truth (A Great Detective of Love) http://www.youtube.com/watch?v=DqII4...eature=related

Originally Posted by jp12345

Two-Mix - Truth (A Great Detective of Love) http://www.youtube.com/watch?v=DqII4...eature=related

You sir are truly a half-"god"!!
Thanks much!!