I was cautious with this content because of previous experience. First I tought I have to restore/repair the girls. Could it be the warning at the start fake that it's a demo? Are the other girls already part of the game secretly? Maybe it's the game who tries to convience us not to try romance the other girls. Is the description on this page already a setup/part of game? Then I read the comments and it seems I just ovetcomplicated the things... but I'm not that far from the final concept maybe.
Thank you for the experience! I bookmarked this page. If it's possible I would like to make a translation to my native language in the future.
On one point I suspected you are Dan Salvato secretly. Cuz he can't release other similar game under his real name anymore. It would destroy the surprise.