Shuichi is suspected as the killer of Rantaro Amami, and for that voted.

Shuichi: …

Kaede: …No… Shuichi!

Monokuma: PUHUHU! The one who killed Rantaro Amami, the Ultimate ??? was none other than Shuichi Saihara, the Ultimate Detective! It's PUNISHMENT TIME!

Kaede froze up, knowing something is wrong... she killed Rantaro, didn't she?.. But how could Shuichi be voted correctly, if that's the case...