There is a new version now, it's mostly bug fixes but there is some slightly reworked older stuff as well. It's name your own price here
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Which means you can either download it for free or support volbells if you want.
Change log:
-Added variety to some sound effects
-Added variety (like naked and bottomless) to sprites
-Added more movement to some scenes
-Added an option to skip the dream sequence
-Rewrote the group armpit scene and other minor things
-Sped up some of the characters in some scenes
-Made Kylie's first scene make more sense on Clair route
-Fixed bug when not doing Dede's sneak
-Fixed bug where Alex resets but doesn't lock
-Fixed bug where you can't talk to Yuri after leaving Ouila
-Fixed bug where doing the Tricia joke would mess up the event day
-Fixed bug where you can't do Clair's first quest after doing Ouila route
-Fixed bug that made Ouila disappear forever
-Fixed other minor bugs
-Fixed typos throughout the game