Power Between the Teeth
S4, E3: As Itsuki explains more about the bizarre Sensui, Koenma prepares to use his most powerful weapon to create a barrier that may stop the demons from flooding Living World.

S4, E3: As Itsuki explains more about the bizarre Sensui, Koenma prepares to use his most powerful weapon to create a barrier that may stop the demons from flooding Living World.