Setsuna and Dream
Dream nodded, glad she was willing to tell him about physics.
"I suppose having control over Time would come at a great cost," he said. Time was definitely something that wasn't taken lightly. "Have you ever had to control it?"
Then he paused and before she could answer, he added another question. "Also, does your ward always spy on you?" He didn't even look, he just knew Usagi was around and looking in their direction.