K-ON! Season 2: Pure pure Heart

At episode 7 of K-ON! its a Tea Party for the Mio fan club, they show alot of stuff to the fan club but the most important event was the new song, "Pure pure Heart" sang by Mio and back up by Yui. Like all song of Mio its so freaking good it wanna make me join the Mio fan club hehehe

here a short version of the song