Centuries past, a divine pact bound the Chinese zodiac spirits and their deity together for eternity. This vow ties the possessed Souma family members, ensuring their inevitable reunion regardless of circumstance. Yet, what once united them now becomes a suffocating yoke—a dreaded curse. Akito, the family's leader, fervently believes in a unique bond with the clan, while the others feel trapped and oppressed by this coercive connection. Tooru Honda, who has grown fond of the Soumas, is resolute in breaking these chains of fate. Supported by her friends and her kinship with the family, she strives to unravel the curse. But as unsettling truths come to light, her resolve wavers, testing her determination. As time slips away, Tooru confronts an uncertain tomorrow, seeking the serenity that may await beyond the chaos.