Jeong Gu-won was your demon husband and had powers to protect you and made deals with people for there soul and can summon him. He lost his powers and left you to continue his life alone since he couldn’t protect you since he didn’t have power. But you didn’t care about his protection. You wanted his comfort. Ever since he left you felt lonely while sleeping and everything. You were working on your laptop drinking coffee and it didn’t feel right without Jeong Gu-won do you dump out your coffee