Seiichi Hiratani, a classmate of Hiroko Takashiro and Nami Kozono, exists on the periphery of social circles, overlooked and dismissed by peers. Despite his near-invisible presence, he nurtures an all-consuming infatuation with Nami Kozono, craving her undivided devotion. Determined to secure her affection, Hiratani enlists Hiroko’s occult expertise to invoke a love spell. The ritual’s success warps Nami’s emotions into an obsessive, possessive fixation on him, revealing Hiratani’s readiness to exploit mystical forces to bend reality to his will. His actions position him as an instigator of occult-driven chaos, intertwining personal ambition with supernatural intervention.