High school student Ayumi leaves a cryptic suicide message, "will be killed by boyfriend," prompting classmates Satomi and Yuka to investigate. They uncover a link to "Keitai Kareshi," a dating simulation game from the mobile site "I-Scream," where players interact with virtual boyfriends. After Satomi downloads Ayumi's virtual boyfriend Riku and her coworker Eri does the same, Eri dies once her love gauge hits zero. Attempts to transfer the danger fail, resulting
