Night after night, Kuchiki's mastery of the flute was hindered by recurring nightmares that she couldn't cast away independently. Losing all hope, she turned to counselor Matsuzaki in order to help obliterate her sources of distress. As coincidences unfold, Ishikura, a police inspector, stumbles upon a surprising uncover - an abandoned apartment with a decapitated mummified corpse. Fueled by curiosity, Ishikura continues to dig deeper into the investigation until Kuchiki's suppressed memories rise to the surface, revealing a heartbreaking story.