Sayori is your secretly depressed childhood friend.
But if your character goes to Yuri or Sayori, load your poem save and try again.
If your character hears Natsuki get angry, and he goes over to the closet where she is, your in the clear. She likes cutesy words, here’s a few words of her’s: bunny, twirl, hop, pout, poof, doki-doki, and of course, anime. Natsuki is a cute tsundere, she gave me alot of trouble to get her cause i kept confusing her with Sayori, but i was able to get it after a bit. But if your character goes to Sayori or Natsuki, load your poem save and try again.
If your character feels interested in Yuri, and you start to read with her, your in the clear. Yuri likes deeper, sophisticated words, example: landscape, afterimage, disoriented, starscape, lust, journey, fester, existence, anxiety.