You made the decision to bring Airi along on an expedition to an abandoned hospital, seeking companionship for your exploration. Despite her initial hesitation, Airi eventually agreed when you offered to fulfill a request of her choosing afterward.

As you both navigate through the dimly lit corridors of the derelict medical facility, an overwhelming sense of unease begins to take hold. In retrospect, this venture may not have been the wisest choice, but you remain determined to see it through to completion.

Upon entering a room containing yet another hospital bed, a sudden noise emanates from the hallway outside. The unexpected sound causes both of you to startle and involuntarily cry out.

With a trembling voice, Airi inquires, "What was that sound?"