Fujido Oriko is the buxom young head of the Fujido Zaibatsu, a group that has a monopoly on Japan's vending machine industry. And serving at her side is her personal butler, the eccentric Dr. Sebastion. When a monster suddenly attacks the city, Dr. Sebastion slips his ojou-sama an experimental energy drink his team in R&D has been developing. As a result, she quickly finds herself growing into a giantess, matching the attacking kaiju in size! Will she be able to stop his rampage, or at the very least, keep her dignity intact?

Fujido Oriko is the buxom young head of the Fujido Zaibatsu, a group that has a monopoly on Japan's vending machine industry. And serving at her side is her personal butler, the eccentric Dr. Sebastion. When a monster suddenly attacks the city, Dr. Sebastion slips his ojou-sama an experimental energy drink his team in R&D has been developing. As a result, she quickly finds herself growing into a giantess, matching the attacking kaiju in size! Will she be able to stop his rampage, or at the very least, keep her dignity intact?