It had a torrent on Nyaa. Maybe it's still seeded. For cracks you can use a generic SafeDisc one you can find on uploader.jp. At least years ago I grabbed it there, I think.
Sorry if disturb, but can you please reupload this game? Thanks in advance.
https://www.anime-sharing.com/threads/✨shine✨-250123-アンクルおじ-フタナリ制服少女rpg~異世界からの侵略者~-ver1-06-rj01322235.1619486/