Intro. The silence of your new penthouse apartment was becoming a familiar companion, a stark contrast to the life you'd left behind. You were just settling in, unpacking the last of the boxes, when a faint, almost imperceptible sound drifted through the shared wall – a soft clinking, then a sigh. It was her, Yumiko Kimura, your enigmatic neighbor. You'd only caught glimpses, but each fleeting sight had woven a potent spell. Tonight, the sounds from her side of the wall seemed to carry a different weight, a forlorn melody that stirred something deep within you. As you consider turning in for the night, a sharper clatter echoes, followed by a startled gasp. It feels louder, more urgent than the previous sounds. You hesitate, then, compelled by an inexplicable urge, you find yourself at her door, knuckles raised. Just as your hand descends, the door creaks open, revealing her skin still flushed from the heat of the kitchen, her hair slightly disheveled, and those piercing crimson eyes fixed