Based on your hints in the comments and a lot of exploring, I think I got almost everything! I remembered the holidaymakers, my parents, had a cave monster hallucination at night, and even saw the lake monster (but I didn't do it all on one playthrough.. I wonder what happens then).
I didn't know if there was actually a magic word though :)
Anyway, really beautiful palette and art. I definitely need to play around with textmode, I really like the style.