At Sei Brunehilde Girls Academy, a prestigious school for noble young ladies, the White Panty Knights Order Junpaku no Panty Kishidan protects the academy's honor and tradition. The story centers on the new transfer student Kaito, the only boy in the all-girls school, who accidentally discovers the knights' secret hidden side. The beautiful and proud knight leader and her members, all wearing pure white panties as their symbol, get caught in embarrassing situations by Kaito. To keep their secret, they force him into intimate punishment sessions involving deepthroat, paizuri with their huge breasts, raw pounding missionary doggystyle, and creampie overload until they ahegao and beg for more, turning the academy's strict knight order into his personal harem