Miki follows the instructions in a note left behind and attempts to break in, only to find Rino in a state of extreme tension. Miki quickly unties the ropes and urges her to escape, but Rino pleads desperately for Miki to take her place. Miki agrees to fulfill her request, but in doing so, becomes entangled in the same mounting tension. As the suspense deepens, their relationship takes an unexpected turn, leading to a new and intense dynamic between them.