佐藤健
is a 2013 Japanese science fiction drama film directed by Kiyoshi Kurosawa, starring Takeru Satoh and Haruka Ayase. It is Kurosawa's first feature film since "Tokyo Sonata" (2008). It is based on Rokuro Inui's novel "A Perfect Day for Plesiosaur". It was released in Japan on 1 June 2013.