I have a question i skipped the quests of Julia and Melanie because i thought it was leading to lesbian stuffs (well for Julia it did lead to that) but but for Melanie it's looks like Alex will a some h-scenes with her. Can i resart the quest even i skiped or i must resart the game?
Same thing happened to me. Always save at each branching point, when they ask for a choice, so you can restart to that point. You can't reset Melanie or Julia, you must return to a prior save unfortunately. Or try to find a save from among the many posted in this thread. Restarting the game seems a nuclear option, ugh. Better play on and when the next update is released in a few weeks, usually you can get a save to continue from there instead.
If you cant find a good save, here you can get saves up to v07 and how to install them
You must be registered to see the links
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Maybe resetting quests would be an option in the future, as the game developer has one such option for the Shiny Hole quest chain.