For the simple walkthrough :
https://f95zone.to/threads/simple-days-v0-6-0-mega-lono.61893/page-9#post-4590312You're not wrong. If you don't go the Anna route, you'll not meet Maria, and if you don't hook up with Vicky you won't meet Moko. This is a very short game if you don't fancy the first three main girls.
In essence, it really is a Simple game:
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