In a society where omegas are mandated to wear chastity belts, a mysterious key capable of unlocking these restraints sparks a frenzied pursuit. Enter Sashima, a diminutive yet formidable delinquent, who captures the attention of an alpha elite group known as the Snakes. Anticipating a hulking foe, the Snakes' leader, Aoda, is taken aback to discover Sashima's small stature and omega status. Despite this, Aoda boldly declares Sashima as his partner, initiating a surprising turn of events as he impulsively kisses the unsuspecting omega. As chaos ensues, Sashima's loyal companion, Taketora, is entangled in the unfolding drama. Amidst the turmoil, the burning question remains: who will succeed in taming the most resilient omega of all?