I got this on Switch before realizing it was on itch (damn it... I prefer itch, oh well.) Anyway, I played through all the routes, including New Game + (and wrote a fanfic on it), but I'm missing two of Liam's pictures. The top right two.
In case anyone's interested, it's Erika/August (cause August is my favorite): https://archiveofourown.org/works/36399289