Jeez, I can't stop listening to this! Man, I love +Plus... The song is Hajimari no Sora (Beginning Sky)
[video=youtube;J5Dg5IClSEs]http://www.youtube.com/watch?feature=player_detailpage&list=FLu_M4Ya1qC0uRWwXppM024g&v=J5Dg5IClSEs[/video]
[video=youtube;-pk3IBlxBaw]http://www.youtube.com/watch?v=-pk3IBlxBaw&feature=related[/video]
I can never get enough of this guy. Video may or may not be NSFW.