In Eraser, Nishikata is trying to taunt Takagi using an improvised jack-in-a-box. Takagi expresses frustration in opening her pencil case, so she asks Nishikata to open it for her. Nishikata opens the case and a horror-themed improvised jack-in-a-box pops in front of him. Takagi chuckles as Nishikata left in shock. In Day Duty, Nishikata goes to school and sees Takagi on the window. As he arrives in their classroom, Nishikata couldn't find Takagi until he sees her pair of shoes underneath of their teacher's table. Deducing that she is hiding, Nishikata bluffs by ...