Himari, who was enjoying a happy cohabitation with marriage in mind, had been haunted by the trauma of her terrible ex-boyfriend from the past. One day, unusual things started happening, like items moving around and money going missing. When she consulted Ichiro, he suggested it might just be her imagination. Himari also thought she might be overthinking it, but as a precaution, she installed a security camera. However, she found her room ransacked with a note saying 'You can't escape!'
