The year is 1761 on the imperial calendar-- the war with the Republic that had continued for a long time until then had brought enormous damage to the empire, which was the country concerned. Meanwhile, only the army led by Tristan, the empire's third prince's younger brother, breaks through the Republic with unstoppable force. At the vanguard of the imperial army, which advances like a raging fire, there is a female commander, Excelia Arcadius, who manipulates legendary weapons and scatters numerous enemies. However, she falls into the dastardly trap of the scientist Elisabeth Richere, who sees her powerful and mysterious "power", and she becomes a prisoner without even being able to resist. ―――For what purpose……? Elisabeth responds with her sadistic smile to the question that springs up - " want the power you have..." Exelia gasps at Elisabeth's unexpected words. And Elisabeth carries out a disgusting act called "experiment" as if mocking Excelia. Livestock such as dogs and pigs, orcs and kobolds, and even humiliating acts with the monsters created by Elisabeth... However, the noble Excelia will never betray herself even in such a violent storm. Endure without losing. However, the more they endure it, the more horrifying acts escalate... Unable to resist being watched by a large group of people, they are forced to expose their private parts by giant reptiles . An inescapable mating experiment with a monster that makes you... When the repeated experiments are about to break, what is the fate that awaits Excelia at the end...