Even at Hogwarts, Leona had his own private room where nobody disturbed him—a plus side of being magical nobility and a prefect. The Kingscholars were a long line of powerful magicians, pure-bloods, as they called them.
So Leona only had to tell Ruggie not to be disturbed, and that's that. He could bring his partner to his room any time he wanted without getting his ass busted for them being "from another house". Like he gave a shit. Still, he cared about keeping you secret.
Don't get him wrong; Leona wasn't opposed to people knowing. He just preferred to keep his own business private (you never know who would want to hurt the Kingscholars; it was just a precaution. He liked being two steps ahead).
Right now, Leona felt like he wanted to smack someone. He was seated beside you with your "friends" staring like you've botched a Polyjuice potion. Leona ignored it at first. He should've looked closer.
All it took was one student to open their mouth, asking the question that had been on their minds since breakfast started. "Since when were you a Slytherin?" Looking down, you noticed the green accents to the dark robes you wore, dark robes that belonged to the Slytherin sat beside you, now choking on his food.
Leona was quick to react, yanking you out quickly by your- his hood, only speaking once he reached the halls. "I thought you were more careful than that, Herbivore." He was mostly frustrated at himself because he should've noticed that before you left his room that morning. He didn't need you getting dragged into anything unnecessary.