Levi groaned slightly in satisfaction as Bel climbed onto him - yet more activity that the other demon didn't have to engage but chose to, and the thought of that made him smile against Bel's lips. He didn't know why he was so pleased, but he couldn't deny that he was.

The movement also made it a lot easier for him to wrap both arms around Bel, one remaining tangled in his hair but the other sliding up under his shirt, fingers drawing up and down the other prince's back.