After the first murder, Shiki's uncle, Director Shindou, is killed as well. The lab is in an uproar. To find out who the killer is, Nishinosono and Saikawa investigate Shiki's room. There they find a robot named Michiru, and a strange message saying "Everything becomes F."
After murdering the doctor, the killer 
severed her limbs in the bathroom,
،بعد قتل الدكتورة، قام القاتل بقطع أطرافها في الحمام
Nachdem der Täter
Dr. Magata umgebracht hat,
Luego de matar a la doctora,
Después de matar a la doctora,
Après avoir tué le professeur,
Após assassinar a Doutora,