http://www.anime-sharing.com/forum/hentai-ovas-36/japanese-%5B120803%5D-%5B%E3%83%8F%E3%83%B3%E3%83%90%E3%83%BC%E3%82%B0%E4%BF%82%5D-%E3%81%9B%E3%82%93%E3%81%B1%E3%81%84%C3%97%E3%81%8B%E3%81%AE%E3%81%98%E3%82%87-77188/
full game
all 3 deposit files links are still alive
but the rar archives...
download using aria2
heres a tutorial
http://www.stane1983.com/index.php/2016/07/13/how-to-download-faster-from-chinese-baidu-cloud-service-linux/
can be a bit confusing to use, but its worth it since aria2 can dl baidu files at full speed.
http://www.dlsite.com/maniax/work/=/product_id/RJ069437.html
this one is pretty rare
found one torrent through searching and downloaded it, but it seems like the files are corrupted after many attempts to get it running.