Stea, the Princess in Sacred Slavery -Legend of Stoom Core - Final by Dieselmine - Adult Sex Game

The Fillol, despite being a small star, was a planet rich in resources and known as a hidden treasure of space. In the distant past, a space bandit named Degdal attempted to invade this planet but failed, tarnishing their history of never having been defeated. Negdal, the protagonist, seeks revenge for his ancestors. Now he knows that the source of the planet's once-defeated power lies in the sacred core, which is the treasure carried in the womb of the Fillol princess.​