In her third year of marriage, Tsukasa, who had been working at a publishing company, decides to resign due to pregnancy. With unexpected free time on her hands, she begins spending her days at the library. There, she encounters Daiki, a novelist she once met at the publishing company. He harbors feelings for Tsukasa and possesses an obsessive, clingy nature, repeatedly stalking her. His actions gradually escalate, threatening her peaceful life. The happily married young wife is eventually forced into submission, violently assaulted inside the quiet library where she cannot even scream for help... A serious drama depicting insidious, cold-hearted cruelty!