On one occasion, Mio Kanesaka receives an enigmatic video message from an unknown individual with the intention of extorting her. Despite requesting some time and clarifying that he has mistakenly targeted the wrong person, Mio is drawn into the pursuit of the perpetrator due to her innate desire to assist those in need. This narrative unfolds as a result of a case of misidentification, but it soon evolves into an intriguing romantic relationship within the context of a suspenseful and exhilarating storyline.