Synopsis

Releases in January 2027.
Based on a short story by Harada from the 2014 collection Anata wa, Dareka no Taisetsu na Hito (“You Are Someone’s Precious Person”).
 
When Satomi, who works as a museum security guard, receives a mysterious “key,” she begins to retrace her memories of her father, who died alone a month earlier. As she delves deeper into his past, she uncovers an unexpected portrait of his final years that even his family were unaware of.