Special Agent Akiko arrives at Nobel Academy in disguise, slipping into student life to observe the unusually intense attractions gripping the scholars. She notes how their daily interactions and focus have shifted dramatically from expected norms, prompting quiet inquiries among faculty and peers. As she collects subtle clues from campus routines, Akiko begins to suspect an external influence behind the widespread changes. Her probe deepens with each discovery, aiming to pinpoint the cause and contain its reach.