MUCD-080 - 平成二十四年度『無垢』卒業アルバム 春夏編 美少女十七人総出演 四百八十分濃厚豪華版

The difference in mosaic quality depending on the year is a bit annoying, but it's long, so you can take your time and enjoy it. Of course, I just skip the ones I'm not into...