Life with my husband was peaceful, yet something always felt missing. Hoping to distract myself, I visited the nostalgic movie theater I had frequented since childhood and was happy to see that the manager, Umeda, was doing well. But after that day, something felt wrong: I could not remember the screening, and a strange sensation lingered in my body. I returned to uncover the truth, then suddenly remembered the drink Umeda had given me—and how my memory became hazy after I drank it...