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."
What do you mean by trump card?
ماذا تعني بالورقة الرابحة؟
Ihre Trumpfkarte?
¿De qué as bajo la manga hablas?
¿De qué as bajo la manga hablas?
C’est quoi, un dernier atout ?
L'asso nella manica? Cioè?
Como assim? 
O seu trunfo?