Explosive carnal thirst after an accidental stimulant dose at school

Ryuya and his friends accidentally consume a drug that makes their bodies extremely sensitive and driven by intense sexual desire. To alleviate the side effects and find a cure, he turns to girls with bountiful busts, especially his sister Miya Ryuya. Under the drug’s influence, Miya Ryuya enters a series of realistic climaxes, letting her instincts guide her through deep physical connections to create a natural “vaccine.” These passionate encounters and the explosion of desire drive her into a state of ultimate pleasure, perfectly portraying the intersection of raw craving and the primal instinct for survival in a dramatic medical crisis.