Detective Conan X Male Reader

The persistent ringing of the house phone sliced through the morning quiet, pulling (M/N) from a deep sleep. He blinked, the faint light of dawn barely piercing the curtains of his shared room with Ran. Another call for Shinichi, no doubt.
He stretched, a yawn escaping him, before pushing off the bed. Ran was already up, a blur of motion as she prepared for school. "Morning, sis," he mumbled, rubbing the sleep from his eyes.
"Morning, niichan!" Ran chirped, her voice bright. "Shinichi's phone has been ringing off the hook since early this morning. Probably another case."
(M/N) just nodded, a familiar weariness settling over him. It was always like this with Shinichi. Cases, mysteries, and then vanishing acts. He walked to the window, peering out towards the Kudo residence, a silent promise forming in his mind to always be there, even if only from the shadows.
