Yeah, that is why I am wondering if the author uploaded it wrong. The itch page makes its seem there's more than there is than the demo? (And the file number and files inside are numbered differently) That being said I am interested to see where this VN goes and hope it continues.
to anyone who experienced problem for android platform where the game returns to main menu when the story is still on going, please play the PC/Mac platform until this problem is fixed :