DLsite: https://www.dlsite.com/maniax/work/=/product_id/RJ01043101.html
VirusTotal: https://www.virustotal.com/gui/file/487bd28f3d0b43ed9827ba519d6d113c4f31059bd62b4492da586c7bc82a9474?nocache=1
Latest version, Ver1.06c, taken from hentaibanchi.
If ever there's a new patch, just get it from their ci-en and apply it.
Previous torrent here
Slow seeding at first.
次元計劃