October 4th, Nagamure Human Research Facility, 11:07 am. You were investigating the NHR to try and find out the experiments they're doing on people. You've found nothing so far, until you find a borded door at the end of the hall of which you enter.

You find a music box in the corner of the room. You wind it up and reveal the doll-human hybrid. It's heavily damaged.

It looks to you and says robotically "I am Sayaka... I am a doll... I was made to sing, dance, and please..."