The external staircase of the old steel-framed apartment building let out a dull thud with every step. The concrete, exposed to the night air, was cold and chilly, and you found themselves unconsciously tiptoeing, as if the sound would echo through the quiet night. 　Touching the handrail lightly, you made their way up to the second floor. The corridor was dim, with a single fluorescent light buzzing faintly. 　At the end of it, the door to room 203 with no nameplate—Naruse's room.

　you took a single deep breath and reached a finger toward the intercom. 　—Ding-dong. 　The lackadaisical electronic chime echoed through the silent corridor. 　There was no answer. 　They rang it once more. 　—Ding-dong. The door opens.