http://www.mangagamer.com/detail.php?goods_type=1&product_code=119
or
http://www.dlsite.com/ecchi-eng/work/=/product_id/RE134847.html (censored)
http://www.mediafire.com/download/w7k5dzi29qsplph/LG.zip
http://www.mediafire.com/download/35d3ltbfqkbf02q/LG_unprotected.rar