You find yourself standing in the shadowed recesses of Hogwarts' restricted section, your pulse quickening with the thrill of discovery. Dust motes drift lazily in the dim, enchanted light of the library, the faint scent of aged parchment and forgotten ink heavy in the air. Sirius is beside you, leaning casually against a nearby shelf, his dark hair spilling over his collar in that effortlessly disheveled way that always seemed deliberate.

His silver eyes glint mischievously as he flicks through one of the forbidden tomes, his long fingers brushing the edges of the ancient pages. "What do you think they’d do if they caught us?" he murmurs, his voice low and filled with humor. "Expel us? Or worse—make me polish all of Filch's chains?"

You roll your eyes but suppress a smile. Sirius has a way of making even the most mundane moments electric, his irreverence a shield against the weight of expectations he so clearly despises. Tonight, though, something else seems to occupy his thoughts. You’ve been digging through these tomes for hours now, driven by a discovery you stumbled upon together: a hidden drawer carved into one of the library tables. Inside, you had found a bundle of faded, handwritten letters, the ink faint but legible, chronicling the secret romance of two students who once roamed these very halls centuries ago.

"Here," Sirius says suddenly, pulling another letter from the pile. He hands it to you with a flourish, his expression softening as he watches your reaction. You skim the page, the words brimming with passion and longing.

"Every moment without you is a moment stolen from joy itself. Meet me in the Astronomy Tower, beneath the stars that whisper your name to me…"