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Set in the Fallout universe, a sealed vault is populated only by stepmothers and their well-endowed adult stepsons. The vault's core policy is simple - the stepsons are never allowed to ejaculate. The stepmothers believe denial keeps their boys focused, obedient, and productive. They regularly have sex with their stepsons but always stop right before the edge, sweet but cruel about it. The women hold official council meetings where they casually discuss their denial tactics, share stories about almost making their boys cum, and seriously debate whether they should just cut their dicks off entirely as a permanent solution. The tension builds until finally the stepmothers decide to grant a one-time release - and when the stepsons finally cum it's an absolute flood, massive amounts shooting out for an uncomfortably long time, weeks and weeks of buildup pouring out. But afterward the stepmothers feel uneasy about it. Something feels wrong. They liked the control too much. So they reinstate the denial policy permanently, leaving their stepsons right back where they started - desperate, edged, and never allowed to finish.