Modern Cultivation : The Strongest Couple Bonded by Vampire System

Chapter 426 - 426: Soul

'Now that I think about it, this essence compatibility should be able to be used in that re

"Since you say that much, this means you should have also tried, right? Can you tell me at least how you went into it? If it interests me, we can exchange our research results."

"As you see, I am human at the start, but no, not really a human. So how I go at it is different than you."