This is like one of the most adorable songs I have ever heard.
I think it's a trio, it's call Kenshi to Yopparai and it's from Spice and Wolf.
Link~ http://www.youtube.com/watch?v=z9BJUFJV_uk
It would be super amazing and I'll love you as long as I'll remember if someone were able to like compose this or something.
<3