My sister and I picked up a pair of twin jackals.
The one my sister adopted is considerate and affectionate, while the one I adopted is like ice.
I have fed the dragon with my blood for ten years, but he still refuses to let me touch him.
When I was about to give up, he suddenly changed his mind and said he was willing to form a contract with me.
I was ecstatic.
On the eve of the contract, I heard him say to my sister: