Of course, the Succubus Queen had not bestowed such a generous gift upon Sein without any motives.0

Sure enough, after that, she would come to Sein’s castle whenever she was bored.0

At first, Sein humored her, entertaining her with polite conversation and even flattered her.0

But as time went on, her visits became increasingly frequent, to the point where they began disrupting his experiments.0

Sein eventually shut himself in his laboratory, but the Succubus Queen continued roaming the castle as if it were her own home.0

Though Sein no longer had the time to entertain her, there were still two people and one undead being in his castle who could do so in his stead.0

Yuri and Azelia had served Sein for hundreds of years.2

Anastasia could still pry pieces of knowledge...0