“Sins of the Mother”
After the fall of the 9th Circle, Shado kidnaps Emi and brings her to Tokyo to face the Yakuza Oyabun, who has ordered Emi's death. Emi refuses to accept that fate and decides to track down the Oyabun on her own. In flashbacks, we learn of when Emi first comes to live with Oliver and investigates the strange behavior of her classmates, which leads to her unwittingly coming under the influence of the Clock King.