Yokubô ni kurutta aijû-tachi (2014)

Kyoko, a sex worker, loses her boyfriend Haruki—an aspiring novelist—to suicide. Overcome with grief, she marries a regular client named Ukai but eventually flees, unable to endure his perverse sexual demands. Keisuke and Erika are now living in the apartment where she once shared memories with Haruki. The three begin living together, but Keisuke is secretly plotting a random terrorist attack...