This sound is from Tomodachi Ijou, Koibito Miman ORIGINAL SOUNDTRACK 「友達以上・恋人未満」ORIGINAL SOUNDTRACK It is under a sweetheart more than a friend ORIGINAL SOUNDTRACK - Video Game Music

Video game music from Tomodachi Ijou, Koibito Miman ORIGINAL SOUNDTRACK 「友達以上・恋人未満」ORIGINAL SOUNDTRACK
It is under a sweetheart more than a friend ORIGINAL SOUNDTRACK for Windows. Published by Studio Mebius (2004).