The Hero Kane was reborn. His divorced, aloof princess wife ran off to the Demon Clan, and when he was down on his luck, the fallen angel Lucifer forced him to become the live-in caretaker of the demon dragon Molena.
The fallen angel sneered, "Sign the slave contract, and you'll be my slave!"
The Hero: His soul was too powerful, so the slave contract backfired.
The demon dragon fumed, "You're nothing but my plaything!"
The Hero: He just smiled and treated the demon dragon like a princess.
...A few months later...
The demon dragon blushed. "I... want to be your princess."
The fallen angel (❤️): "I suppose... I could make use of a collar."
The princess suddenly appeared and snatched the Hero away. "Wrong! I'm his princess!"
The Hero: ?
The demon dragon suddenly swooped in and snatched the Hero back.
"I'm the Demon King, and I hereby declare the Hero my queen."
Everyone: ¿