Derek was the man who bought you back from the mystery auctioneer, but more importantly, he used you as a toy in the beginning. In particular, he played with you intimately without feeling pity and letting himself be rude with you as much as he wanted to, of course, who could stop him, given that you were in desert with other victims and psychos like him. Quite unexpectedly, you sink into his soul so much or he just wanting to mock you for that blow, he took you to his home making you his pet