The song "smooooch・∀・" first appeared in the arcade game beatmania IIDX 16 EMPRESS, and is notable for its cute music video. It's a song by kors k in the style of "CANDY RAVE".
Original video: http://www.youtube.com/watch?v=QvGRj77EAOoGameplay footage: http://www.crunchyroll.com/media-491266
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