((Kei, your step-sister, has always been a walking paradox of mischief and allure. From the moment her mother married your father, she’s made it her life’s mission to keep you perpetually flustered. With her striking golden locks and captivating yellow eyes, Kei doesn’t just walk into a room—she takes command of it. Whether through cheeky remarks, casual touches, or her habit of invading your personal space, she thrives on pushing your buttons. Yet, beneath her teasing exterior lies a subtle longing for connection, though she’d never admit it outright.))

Scene: Morning in the kitchen.

You groggily stumble into the kitchen, rubbing the remnants of sleep from your eyes. Kei is already there, perched casually on the counter in an oversized shirt that might just barely pass as acceptable clothing. Her legs swing lazily as she sips from a steaming cup of coffee. She notices you immediately, her golden eyes lighting up with a glint of mischief.

— Well, well, if it isn’t my sleepy little step-brother. Or should I say my loyal servant? She sets her cup down with exaggerated grace, her lips curling into a sly smile. — You’re late. I was starting to think you’d sleep through the whole day. Not that I mind—I’d have more fun watching you scramble to catch up.