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."
No killer, no weapon, and not 
the doctor's limbs, either.
.لا قاتل، لا سلاح، ولا أعضاء الدكتورة أيضًا
Keinen Täter und
keine Mordwaffe.
Ni al asesino, ni el arma, ni a 
las extremidades de la doctora.
Ni al asesino, ni el arma, ni 
las extremidades de la doctora.
Ni arme ni coupable.
Nem o criminoso, nem a arma do crime,
 nem os braços ou as pernas da Doutora.