Tsubaki, an excellent kendo club member who even surpasses the boys in her guidance, harbored feelings for Soma, a fellow club member… One day, Tsubaki pleaded for the club's survival. The principal, in exchange for promising the club's continuation, demanded to freely touch her body for a whole month! She accepts the principal's offer to save the club… Every day, the devil's hand of pleasure assaults her without choosing a place, gradually melting away her body and mind…！