Madness Out of Control - S1.E11

Hokuto and Chiwa find out that Satoru killed Yoko. They try to keep Chiwa's pregnancy a secret but Saori finds out. Misaki offers a bodyguard for Chiwa so she can be alone with Hokuto for a night. Misaki threatens Hokuto that she'll put Chiwa's life in danger in order to be with him. When Chiwa is heading home from work with Yu, she realizes that something is wrong with her bodyguard.