itch.io

Are you sure you chose all the "bad" dialogues? Especially the "Go to the door" one?

Have you tried doing Eleni's success route again?  The "I hate to see you go" one? I chose the exact same dialogues after doing Siri's route and managed to unlock the third ending

of course! 

spoilers!

Skip classes and go to the bathhouse to help Titus find his hat. Choose the "Check dorms", "Titus' room", "Snoop around the room" and "Take a picture of him" dialogues. :D

I'm 2 days late but the guide shows how to get the picture! The chances of getting the dialogue is random though :'-)

edit: grammar