I say "new", because the copyright is 2011 on the comic and 2010 on the songs. It's less than 2 USD, DRM free, and really cute, so please show Mira some love!

http://www.melonbooks.com/index.php?main_page=product_info&products_id=IT0000200381

Also available on DLsite:

http://www.dlsite.com/home/work/=/product_id/RJ216552.html/?unique_op=af&utm_medium=affiliate&utm_source=http%3A%2F%2Fpeachpulsar.web.fc2.com%2Ftop.html

https://www.youtube.com/watch?v=sfOMW3atQoc

https://www.youtube.com/watch?v=Y3hIusmA35k

https://www.youtube.com/watch?v=qDwbaQnKY_o