I've uploaded those too ^^
Senpai ~Love Again~
http://www.mediafire.com/?esq9mwma8ly
Anata Nashi de wa Ikite Yukenai
http://www.mediafire.com/?scbjdlnwk3u
I'm going to suggest GAM's Melodies. I think it has an R&B sound? I never really understood music genres that much, but this song came to mind when I read your question. Nevertheless, I'll upload it anyway lol
Melodies
http://www.mediafire.com/?mbzufboiumr