Happy Marriage!? (2016)

S1E11 Madness Out of Control

Hokuto and Chiwa learn the truth—Satoru was the one who killed Yoko. They attempt to hide Chiwa's pregnancy, but Saori discovers it anyway. Misaki arranges a bodyguard for Chiwa, giving her and Hokuto a night alone together. Then Misaki warns Hokuto that she will endanger Chiwa's life if it means having him for herself. While walking home from work with Yu, Chiwa begins to sense that something is off about her bodyguard.