[Synopsis of this work, including the developments from the previous work]
Sephina was the princess of a fallen kingdom. Having suffered an accident at a young age during her lifetime, Sephina was given life-prolonging technology by an engineer who happened to be selling his skills. However, it was an immature technology, newly discovered at the time, functioning only as a life support system. Even after the kingdom fell, she survived as an automaton (mechanical doll) with her brain transplanted into its ruins.
Through the previous incident, she gained a freely movable body by becoming a sex doll in the present generation. However, she was left with enormous debt and began working at a sex doll brothel to repay it. Her days became a relentless cycle of sex, without a single day off. Several months passed and she was summoned by Isaac (the doll technician), returning to the library. Apparently, something concerning Sephina's very life was hidden within the library... Now a sex doll, those days had become unbearably boring for Sephina. Her body tingled... This doll's body, its brain, was begging for stimulation...
This story recounts what happened on a certain day for Sephina, now completely sex-addicted. Simply standing idle in the library was pure agony for the current Sephina. Her life now overflowed with stimulation daily, leaving no room for boredom, her body hypersensitive to her brain's signals, the ache never ceasing. Sephina, who had returned to her library navigation duties for several days, was no longer the goddess Sephina of before. Barely suppressing her limits, she finally finished her errands. Isaac decided to give her a reward. It was a time to sever ties with the goddess and princess she once was. Isaac's gift was meant to cut through the barriers still lingering in her heart. The feast begins here... Sefina freed herself from her sex doll form in her homeland.