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."
Why did she need this room,
لماذا احتاجت هذه الغرفة
¿Para qué necesitaría este cuarto...
¿Para qué necesitaría esta habitación...
Perché questa stanza, 
se non poteva ricevere ospiti?
Por que será que ela 
precisava desse cômodo,