"This was the deal we agreed upon."
At Shen Fei's request, Dorothea gave him a rough explanation. Yui Shosetsu was a Homunculus, the product of a deal between the people here and them. It should have been completed long ago, but an accident had delayed things, and by the time it was finished, it was already too late.
Yui Shosetsu had been created as a Homunculus because of the Shimabara Rebellion, originally intended to strengthen their side. However, she had been completed too late to be of any use. Moreover, her creator had died, so Yui Shosetsu gained her freedom. As a Homunculus, she had possessed no wish of her own, but after seeing the people here living in hardship, she developed a wish. Later, she became one of the Masters of the Waxing Moon Ritual.
One of Dorothea's reasons for coming here had been to discuss the aftermath of the deal. What she had not expected was that everyone involved in the original transaction was already dead. Since that was the case, she could only take away Yui Shosetsu, the Homunculus created with the traded technology. Yui Shosetsu answered with silence, but the fact that she did not resist showed that she clearly knew about this.
"I see. Then let's discuss a new deal."
Shen Fei had not expected Yui Shosetsu to be a Homunculus, but he quickly understood. Since he had stepped in, he naturally intended to save her. There was no need to use force either; all he had to do was negotiate a deal. To Dorothea, Yui Shosetsu was merely a Homunculus and held little value. If she had truly been valuable, they would not have made a deal here in the first place.
Shen Fei wanted to save Yui Shosetsu partly because she was a