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."
If it can unlock the door, it can lock it.
.إن كان يستطيع فتح قفل الباب، فيستطيع إقفاله
Wenn er sie aufschließen kann,
kann er sie auch abschließen.
Si pudo quitarle el seguro, pudo ponérselo.
Si pudo quitarle el seguro, pudo ponérselo.
S’il peut ouvrir,
il doit pouvoir fermer.
Se può aprire, può anche chiudere.
Se ele consegue destrancar,
 também consegue trancar.