Oshi ga Shinda Asa

Over the years, many 2.5-dimensional stage performers based on various manga and anime have been produced, and some of them became popular idols. Masaya Kanamori was one of them. Yuko Yoshimura, a woman who just moved into a nursing home, still considers Masaya her bias, even though he suddenly "passed on" 50 years ago. She thought she would spend the rest of her life with only the memories of her idol, but―!?

(Source: Big Comics, translated)