If you move from v0.307 to v0.308, manually copy your files from GROVE0.307/www/saves to the new version's folder to keep your progress.
Located in your room at the Inn , but only accessible once you have finished the current story content. groverpgnsfw-win_v0.307.zip
Includes repeatable ways to increase corruption via slime dragons or aquatic vines to unlock specific scenes. If you move from v0