Richecia, the infamous daughter of a mad fairy, was known for raising man-eating flowers and mercilessly eliminating her foes. But in a shocking turn of events, she transforms into a baby and infiltrates the powerful Basilian family to uncover those responsible for her mother’s death. Her plan is simple: gather information and escape. However, the men of the Basilian household, handsome yet dangerously unhinged, grow obsessively attached to their peculiar new "sister." To make matters worse, an inquisitor from the Holy Empire mistakes her for the mad fairy’s daughter and relentlessly searches for her nonexistent father. As Chesha struggles to evade their suffocating attention, she realizes she’s trapped in her childlike form with no way to return to adulthood. Meanwhile, the hunt for the mad fairy intensifies. Can she escape before it’s too late?